diff --git a/GMGoogleDrive/Public/Add-GDriveItemPermission.ps1 b/GMGoogleDrive/Public/Add-GDriveItemPermission.ps1
index 34f8134..c1ad289 100644
--- a/GMGoogleDrive/Public/Add-GDriveItemPermission.ps1
+++ b/GMGoogleDrive/Public/Add-GDriveItemPermission.ps1
@@ -88,7 +88,6 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     $Params = New-Object System.Collections.ArrayList
     # Always return all properties.
@@ -102,6 +101,7 @@ param(
         }
     }
     $Uri = '{0}{1}/permissions?supportsAllDrives=true&{2}' -f $GDriveUri, $ID, ($Params -join '&')
+    Write-Verbose "URI: $Uri"
     $Body = @{
         role = $Role
         type = $Type
@@ -121,6 +121,11 @@ param(
         }
         $JsonProperty = ConvertTo-Json $Body
         Write-Verbose "RequestBody: $JsonProperty"
-        Invoke-RestMethod -Uri $Uri -Method Post -Headers $Headers @GDriveProxySettings -Body $JsonProperty
+        $requestParams = @{
+            Uri = $Uri
+            Headers = $Headers
+            ContentType = "application/json; charset=utf-8"
+        }
+        Invoke-RestMethod @requestParams -Method Post -Body $JsonProperty @GDriveProxySettings
     }
 }
diff --git a/GMGoogleDrive/Public/Clear-GDriveTrash.ps1 b/GMGoogleDrive/Public/Clear-GDriveTrash.ps1
index 2b22090..be33cfc 100644
--- a/GMGoogleDrive/Public/Clear-GDriveTrash.ps1
+++ b/GMGoogleDrive/Public/Clear-GDriveTrash.ps1
@@ -22,7 +22,11 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
-    Invoke-RestMethod -Uri $GDriveTrashUri -Method Delete -Headers $Headers @GDriveProxySettings
+    $requestParams = @{
+        Uri = $GDriveTrashUri
+        Headers = $Headers
+        ContentType = "application/json; charset=utf-8"
+    }
+    Invoke-RestMethod @requestParams -Method Delete @GDriveProxySettings
 }
diff --git a/GMGoogleDrive/Public/Copy-GDriveItem.ps1 b/GMGoogleDrive/Public/Copy-GDriveItem.ps1
index ad43762..bb085fe 100644
--- a/GMGoogleDrive/Public/Copy-GDriveItem.ps1
+++ b/GMGoogleDrive/Public/Copy-GDriveItem.ps1
@@ -53,7 +53,6 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
 
     # Full property set will be supported after the rain on Thursday ;-)
@@ -70,6 +69,11 @@ param(
     Write-Verbose "Copy URI: $Uri"
     Write-Verbose "Copy Metadata: $JsonProperty"
     if ($PSCmdlet.ShouldProcess("Copy item $ID")) {
-        Invoke-RestMethod -Uri $Uri -Method Post -Headers $Headers -Body $JsonProperty @GDriveProxySettings
+        $requestParams = @{
+            Uri = $Uri
+            Headers = $Headers
+            ContentType = "application/json; charset=utf-8"
+        }
+        Invoke-RestMethod @requestParams -Method Post -Body $JsonProperty @GDriveProxySettings
     }
 }
diff --git a/GMGoogleDrive/Public/Find-GDriveItem.ps1 b/GMGoogleDrive/Public/Find-GDriveItem.ps1
index 5a86566..4d620eb 100644
--- a/GMGoogleDrive/Public/Find-GDriveItem.ps1
+++ b/GMGoogleDrive/Public/Find-GDriveItem.ps1
@@ -58,7 +58,6 @@ param(
 
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     Write-Verbose "URI: $GDriveUri"
     $Params = New-Object System.Collections.ArrayList
@@ -91,6 +90,12 @@ param(
     }
     else {
         $Uri = '{0}?supportsAllDrives=true&{1}' -f $GDriveUri, ($Params -join '&')
-        Invoke-RestMethod -Uri $Uri -Method Get -Headers $Headers @GDriveProxySettings
+        Write-Verbose "URI: $Uri"
+        $requestParams = @{
+            Uri = $Uri
+            Headers = $Headers
+            ContentType = "application/json; charset=utf-8"
+        }
+        Invoke-RestMethod @requestParams -Method Get @GDriveProxySettings
     }
 }
diff --git a/GMGoogleDrive/Public/Get-GDriveError.ps1 b/GMGoogleDrive/Public/Get-GDriveError.ps1
index 8f2b011..ddbcc26 100644
--- a/GMGoogleDrive/Public/Get-GDriveError.ps1
+++ b/GMGoogleDrive/Public/Get-GDriveError.ps1
@@ -3,7 +3,7 @@
     Get GoogleDrive Error responce
 .DESCRIPTION
     Get GoogleDrive Error responce
-.PARAMETER Error
+.PARAMETER ErrorRecord
     Error record to decode
 .PARAMETER Exception
     Exception object to decode
@@ -20,7 +20,7 @@ function Get-GDriveError {
 [CmdletBinding(DefaultParameterSetName='ex')]
 param(
     [Parameter(Mandatory, Position=0, ParameterSetName='er')]
-    [System.Management.Automation.ErrorRecord]$Error,
+    [System.Management.Automation.ErrorRecord]$ErrorRecord,
 
     [Parameter(Mandatory, Position=0, ParameterSetName='ex')]
     [Exception]$Exception
@@ -31,8 +31,8 @@ param(
         Message = ''
         Error = ''
     }
-    if ($Error) {
-        $Exception = $Error.Exception
+    if ($ErrorRecord) {
+        $Exception = $ErrorRecord.Exception
     }
     if ($Exception) {
         $result.Type = $Exception.GetType()
diff --git a/GMGoogleDrive/Public/Get-GDriveItemContent.ps1 b/GMGoogleDrive/Public/Get-GDriveItemContent.ps1
index 5f5eda5..0a20cbd 100644
--- a/GMGoogleDrive/Public/Get-GDriveItemContent.ps1
+++ b/GMGoogleDrive/Public/Get-GDriveItemContent.ps1
@@ -93,7 +93,7 @@ param(
     }
 
     $wr.Method = 'Get'
-    $wr.ContentType = "application/json"
+    $wr.ContentType = "application/json; charset=utf-8"
     $wr.Headers.Add("Authorization", "Bearer $($AccessToken)")
     Write-Verbose "ParameterSetName: $($PSCmdlet.ParameterSetName)"
     Write-Verbose "Content Url: $Uri"
diff --git a/GMGoogleDrive/Public/Get-GDriveItemPermission.ps1 b/GMGoogleDrive/Public/Get-GDriveItemPermission.ps1
index 48560d2..2a1e162 100644
--- a/GMGoogleDrive/Public/Get-GDriveItemPermission.ps1
+++ b/GMGoogleDrive/Public/Get-GDriveItemPermission.ps1
@@ -43,7 +43,6 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     $Params = New-Object System.Collections.ArrayList
     # Always return all properties.
@@ -52,5 +51,11 @@ param(
         [void]$Params.Add('useDomainAdminAccess=true')
     }
     $Uri = '{0}{1}/permissions/{2}?supportsAllDrives=true&{3}' -f $GDriveUri, $ID, $PermissionID, ($Params -join '&')
-    Invoke-RestMethod -Uri $Uri -Method Get -Headers $Headers @GDriveProxySettings
+    Write-Verbose "URI: $Uri"
+    $requestParams = @{
+        Uri = $Uri
+        Headers = $Headers
+        ContentType = "application/json; charset=utf-8"
+    }
+    Invoke-RestMethod @requestParams -Method Get @GDriveProxySettings
 }
diff --git a/GMGoogleDrive/Public/Get-GDriveItemPermissionList.ps1 b/GMGoogleDrive/Public/Get-GDriveItemPermissionList.ps1
index a045ae0..0f17aa5 100644
--- a/GMGoogleDrive/Public/Get-GDriveItemPermissionList.ps1
+++ b/GMGoogleDrive/Public/Get-GDriveItemPermissionList.ps1
@@ -54,7 +54,6 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     if ($AllResults) {
         [void]$PSBoundParameters.Remove('AllResults')
@@ -85,6 +84,12 @@ param(
             [void]$Params.Add('pageToken=' + $NextPageToken)
         }
         $Uri = '{0}{1}/permissions/?supportsAllDrives=true&{2}' -f $GDriveUri, $ID,  ($Params -join '&')
-        Invoke-RestMethod -Uri $Uri -Method Get -Headers $Headers @GDriveProxySettings
+        Write-Verbose "URI: $Uri"
+        $requestParams = @{
+            Uri = $Uri
+            Headers = $Headers
+            ContentType = "application/json; charset=utf-8"
+        }
+        Invoke-RestMethod @requestParams -Method Get @GDriveProxySettings
     }
 }
diff --git a/GMGoogleDrive/Public/Get-GDriveItemProperty.ps1 b/GMGoogleDrive/Public/Get-GDriveItemProperty.ps1
index a53db53..49d56c9 100644
--- a/GMGoogleDrive/Public/Get-GDriveItemProperty.ps1
+++ b/GMGoogleDrive/Public/Get-GDriveItemProperty.ps1
@@ -53,7 +53,6 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     $Revision = if ($RevisionID) { '/revisions/' + $RevisionID } else { '' }
     if ($Property -contains "*") {
@@ -64,6 +63,10 @@ param(
         $Uri += '&fields={0}' -f ($Property -join ',')
     }
     Write-Verbose "URI: $Uri"
-
-    Invoke-RestMethod -Uri $Uri -Method Get -Headers $Headers @GDriveProxySettings
+    $requestParams = @{
+        Uri = $Uri
+        Headers = $Headers
+        ContentType = "application/json; charset=utf-8"
+    }
+    Invoke-RestMethod @requestParams -Method Get @GDriveProxySettings
 }
diff --git a/GMGoogleDrive/Public/Get-GDriveItemRevisionList.ps1 b/GMGoogleDrive/Public/Get-GDriveItemRevisionList.ps1
index 3a40fc0..7451ee6 100644
--- a/GMGoogleDrive/Public/Get-GDriveItemRevisionList.ps1
+++ b/GMGoogleDrive/Public/Get-GDriveItemRevisionList.ps1
@@ -46,7 +46,6 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     if ($AllResults) {
         [void]$PSBoundParameters.Remove('AllResults')
@@ -74,6 +73,12 @@ param(
             [void]$Params.Add('pageToken=' + $NextPageToken)
         }
         $Uri = '{0}{1}/revisions/?supportsAllDrives=true&{2}' -f $GDriveUri, $ID,  ($Params -join '&')
-        Invoke-RestMethod -Uri $Uri -Method Get -Headers $Headers @GDriveProxySettings
+        Write-Verbose "URI: $Uri"
+        $requestParams = @{
+            Uri = $Uri
+            Headers = $Headers
+            ContentType = "application/json; charset=utf-8"
+        }
+        Invoke-RestMethod @requestParams -Method Get @GDriveProxySettings
     }
 }
diff --git a/GMGoogleDrive/Public/Get-GDriveSummary.ps1 b/GMGoogleDrive/Public/Get-GDriveSummary.ps1
index e579388..aa9bf22 100644
--- a/GMGoogleDrive/Public/Get-GDriveSummary.ps1
+++ b/GMGoogleDrive/Public/Get-GDriveSummary.ps1
@@ -23,8 +23,11 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
-
-    Invoke-RestMethod -Uri $GDriveAboutURI -Method Get -Headers $Headers @GDriveProxySettings
+    $requestParams = @{
+        Uri = $GDriveAboutURI
+        Headers = $Headers
+        ContentType = "application/json; charset=utf-8"
+    }
+    Invoke-RestMethod @requestParams -Method Get @GDriveProxySettings
 }
diff --git a/GMGoogleDrive/Public/Move-GDriveItem.ps1 b/GMGoogleDrive/Public/Move-GDriveItem.ps1
index 6de0be9..dafa83a 100644
--- a/GMGoogleDrive/Public/Move-GDriveItem.ps1
+++ b/GMGoogleDrive/Public/Move-GDriveItem.ps1
@@ -57,9 +57,13 @@ param(
 
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     if ($PSCmdlet.ShouldProcess("Move item $ID to $($NewParentID -join ',')")) {
-        Invoke-RestMethod -Uri $Uri -Method Patch -Headers $Headers @GDriveProxySettings
+        $requestParams = @{
+            Uri = $Uri
+            Headers = $Headers
+            ContentType = "application/json; charset=utf-8"
+        }
+        Invoke-RestMethod @requestParams -Method Patch @GDriveProxySettings
     }
 }
diff --git a/GMGoogleDrive/Public/New-GDriveFolder.ps1 b/GMGoogleDrive/Public/New-GDriveFolder.ps1
index 6ac1f8d..c51585a 100644
--- a/GMGoogleDrive/Public/New-GDriveFolder.ps1
+++ b/GMGoogleDrive/Public/New-GDriveFolder.ps1
@@ -35,13 +35,17 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     $Uri = $GDriveUri + '?supportsAllDrives=true'
     Write-Verbose "URI: $Uri"
     $RequestBody = '{{ "name": "{0}", "mimeType": "application/vnd.google-apps.folder", "parents": ["{1}"] }}' -f $Name, ($ParentID -join '","')
     Write-Verbose "RequestBody: $RequestBody"
     if ($PSCmdlet.ShouldProcess("Create new folder $Name")) {
-        Invoke-RestMethod -Uri $Uri -Method Post -Headers $Headers -Body $RequestBody @GDriveProxySettings
+        $requestParams = @{
+            Uri = $Uri
+            Headers = $Headers
+            ContentType = "application/json; charset=utf-8"
+        }
+        Invoke-RestMethod @requestParams -Method Post -Body $RequestBody @GDriveProxySettings
     }
 }
diff --git a/GMGoogleDrive/Public/New-GDriveItem.ps1 b/GMGoogleDrive/Public/New-GDriveItem.ps1
index 74731c3..2f6fb45 100644
--- a/GMGoogleDrive/Public/New-GDriveItem.ps1
+++ b/GMGoogleDrive/Public/New-GDriveItem.ps1
@@ -52,7 +52,6 @@ function New-GDriveItem {
 
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     # Full property set will be supported after the rain on Thursday ;-)
     $Property = 'kind','id','name','mimeType','parents'
@@ -60,6 +59,11 @@ function New-GDriveItem {
     Write-Verbose "URI: $Uri"
     Write-Verbose "RequestBody: $JsonProperty"
     if ($PSCmdlet.ShouldProcess("Create new item $Name")) {
-        Invoke-RestMethod -Uri $Uri -Method Post -Headers $Headers -Body $JsonProperty @GDriveProxySettings
+        $requestParams = @{
+            Uri = $Uri
+            Headers = $Headers
+            ContentType = "application/json; charset=utf-8"
+        }
+        Invoke-RestMethod @requestParams -Method Post -Body $JsonProperty @GDriveProxySettings
     }
 }
diff --git a/GMGoogleDrive/Public/Remove-GDriveItem.ps1 b/GMGoogleDrive/Public/Remove-GDriveItem.ps1
index c57c44e..191bd05 100644
--- a/GMGoogleDrive/Public/Remove-GDriveItem.ps1
+++ b/GMGoogleDrive/Public/Remove-GDriveItem.ps1
@@ -48,14 +48,18 @@ param(
     if ($Permanently -or $RevisionID) {
         $Headers = @{
             "Authorization" = "Bearer $AccessToken"
-            "Content-type"  = "application/json"
         }
         $Revision = if ($RevisionID) { '/revisions/' + $RevisionID } else { '' }
         $Uri = '{0}{1}{2}?{3}' -f $GDriveUri, $ID, $Revision, "?supportsAllDrives=true"
         Write-Verbose "URI: $Uri"
 
         if ($PSCmdlet.ShouldProcess("Remove Item $ID")) {
-            Invoke-RestMethod -Uri $Uri -Method Delete -Headers $Headers @GDriveProxySettings
+            $requestParams = @{
+                Uri = $Uri
+                Headers = $Headers
+                ContentType = "application/json; charset=utf-8"
+            }
+            Invoke-RestMethod @requestParams -Method Delete @GDriveProxySettings
         }
     }
     else {
diff --git a/GMGoogleDrive/Public/Remove-GDriveItemPermission.ps1 b/GMGoogleDrive/Public/Remove-GDriveItemPermission.ps1
index 6c0e353..716a60d 100644
--- a/GMGoogleDrive/Public/Remove-GDriveItemPermission.ps1
+++ b/GMGoogleDrive/Public/Remove-GDriveItemPermission.ps1
@@ -42,7 +42,6 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     $Params = New-Object System.Collections.ArrayList
     # Always return all properties.
@@ -51,5 +50,11 @@ param(
         [void]$Params.Add('useDomainAdminAccess=true')
     }
     $Uri = '{0}{1}/permissions/{2}?supportsAllDrives=true&{3}' -f $GDriveUri, $ID, $PermissionID, ($Params -join '&')
-    Invoke-RestMethod -Uri $Uri -Method Delete -Headers $Headers @GDriveProxySettings
+    Write-Verbose "URI: $Uri"
+    $requestParams = @{
+        Uri = $Uri
+        Headers = $Headers
+        ContentType = "application/json; charset=utf-8"
+    }
+    Invoke-RestMethod @requestParams -Method Delete @GDriveProxySettings
 }
diff --git a/GMGoogleDrive/Public/Set-GDriveItemContent.ps1 b/GMGoogleDrive/Public/Set-GDriveItemContent.ps1
index 6ec3e1a..123f49e 100644
--- a/GMGoogleDrive/Public/Set-GDriveItemContent.ps1
+++ b/GMGoogleDrive/Public/Set-GDriveItemContent.ps1
@@ -152,13 +152,13 @@ function Set-GDriveItemContent {
     try {
         $Headers = @{
             "Authorization"           = "Bearer $AccessToken"
-            "Content-type"            = "application/json"
             "X-Upload-Content-Type"   = $ContentType
             "X-Upload-Content-Length" = $stream.Length
         }
 
         $WebRequestParams = @{
             Headers = $Headers
+            ContentType = "application/json; charset=utf-8"
             MaximumRedirection  = 0
             UseBasicParsing = $true
             Body = $JsonProperty
diff --git a/GMGoogleDrive/Public/Set-GDriveItemPermission.ps1 b/GMGoogleDrive/Public/Set-GDriveItemPermission.ps1
index 852f5a7..16730b8 100644
--- a/GMGoogleDrive/Public/Set-GDriveItemPermission.ps1
+++ b/GMGoogleDrive/Public/Set-GDriveItemPermission.ps1
@@ -65,7 +65,6 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     $Params = New-Object System.Collections.ArrayList
     # Always return all properties.
@@ -76,6 +75,7 @@ param(
         }
     }
     $Uri = '{0}{1}/permissions/{2}?supportsAllDrives=true&{3}' -f $GDriveUri, $ID, $PermissionID, ($Params -join '&')
+    Write-Verbose "URI: $Uri"
     $Body = @{
         role = $Role
     }
@@ -84,5 +84,10 @@ param(
     }
     $JsonProperty = ConvertTo-Json $Body
     Write-Verbose "RequestBody: $JsonProperty"
-    Invoke-RestMethod -Uri $Uri -Method Patch -Headers $Headers @GDriveProxySettings -Body $JsonProperty
+    $requestParams = @{
+        Uri = $Uri
+        Headers = $Headers
+        ContentType = "application/json; charset=utf-8"
+    }
+    Invoke-RestMethod @requestParams -Method Patch -Body $JsonProperty @GDriveProxySettings
 }
diff --git a/GMGoogleDrive/Public/Set-GDriveItemProperty.ps1 b/GMGoogleDrive/Public/Set-GDriveItemProperty.ps1
index fece2d4..016b176 100644
--- a/GMGoogleDrive/Public/Set-GDriveItemProperty.ps1
+++ b/GMGoogleDrive/Public/Set-GDriveItemProperty.ps1
@@ -43,13 +43,17 @@ param(
 )
     $Headers = @{
         "Authorization" = "Bearer $AccessToken"
-        "Content-type"  = "application/json"
     }
     $Revision = if ($RevisionID) { '/revisions/' + $RevisionID } else { '' }
     $Uri = '{0}{1}{2}?{3}' -f $GDriveUri, $ID, $Revision, "?supportsAllDrives=true"
     Write-Verbose "URI: $Uri"
 
     if ($PSCmdlet.ShouldProcess("Set property for item $ID")) {
-        Invoke-RestMethod -Uri $Uri -Method Patch -Headers $Headers -Body $JsonProperty @GDriveProxySettings
+        $requestParams = @{
+            Uri = $Uri
+            Headers = $Headers
+            ContentType = "application/json; charset=utf-8"
+        }
+        Invoke-RestMethod @requestParams -Method Patch -Body $JsonProperty @GDriveProxySettings
     }
 }