diff --git a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/ImportFilesViewModel.kt b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/ImportFilesViewModel.kt
index b4fd8d9bf..3525ce5c5 100644
--- a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/ImportFilesViewModel.kt
+++ b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/ImportFilesViewModel.kt
@@ -64,7 +64,7 @@ class ImportFilesViewModel @Inject constructor(
     @IoDispatcher private val ioDispatcher: CoroutineDispatcher,
 ) : ViewModel() {
 
-    private val _sendActionResult = MutableStateFlow<SendActionResult?>(null)
+    private val _sendActionResult = MutableStateFlow<SendActionResult?>(SendActionResult.NotStarted)
     val sendActionResult = _sendActionResult.asStateFlow()
 
     @OptIn(FlowPreview::class)
@@ -129,11 +129,11 @@ class ImportFilesViewModel @Inject constructor(
     }
 
     fun sendTransfer() {
-        _sendActionResult.update{ SendActionResult.Pending }
+        _sendActionResult.update { SendActionResult.Pending }
         viewModelScope.launch(ioDispatcher) {
             runCatching {
                 val uuid = uploadManager.createAndGetUpload(generateNewUploadSession()).uuid
-                uploadManager.initUploadSession(recaptcha = "Recaptcha")!! // TODO Handle ContainerErrorsException here
+                uploadManager.initUploadSession(recaptcha = "Recaptcha")!! // TODO: Handle ContainerErrorsException here
                 uploadWorkerScheduler.scheduleWork(uuid)
                 _sendActionResult.update {
                     val totalSize = importationFilesManager.importedFiles.value.sumOf { it.fileSize }
@@ -258,8 +258,9 @@ class ImportFilesViewModel @Inject constructor(
     //endregion
 
     sealed class SendActionResult {
-        data class Success(val totalSize: Long) : SendActionResult()
+        data object NotStarted : SendActionResult()
         data object Pending : SendActionResult()
+        data class Success(val totalSize: Long) : SendActionResult()
         data object Failure : SendActionResult()
     }
 
diff --git a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/importfiles/ImportFilesScreen.kt b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/importfiles/ImportFilesScreen.kt
index b973a829e..1d7b7ecba 100644
--- a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/importfiles/ImportFilesScreen.kt
+++ b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/importfiles/ImportFilesScreen.kt
@@ -126,7 +126,7 @@ fun ImportFilesScreen(
         closeActivity = closeActivity,
         shouldStartByPromptingUserForFiles = true,
         sendTransfer = importFilesViewModel::sendTransfer,
-        isTransferPending = { sendActionResult == SendActionResult.Pending },
+        isTransferStarted = { sendActionResult != SendActionResult.NotStarted },
     )
 }
 
@@ -158,7 +158,7 @@ private fun ImportFilesScreen(
     closeActivity: () -> Unit,
     shouldStartByPromptingUserForFiles: Boolean,
     sendTransfer: () -> Unit,
-    isTransferPending: () -> Boolean,
+    isTransferStarted: () -> Boolean,
 ) {
 
     val shouldShowEmailAddressesFields by remember { derivedStateOf { selectedTransferType.get() == TransferTypeUi.MAIL } }
@@ -179,7 +179,7 @@ private fun ImportFilesScreen(
                 importedFiles = files,
                 shouldShowEmailAddressesFields = { shouldShowEmailAddressesFields },
                 transferAuthorEmail = transferAuthorEmail,
-                isTransferPending = isTransferPending,
+                isTransferStarted = isTransferStarted,
                 navigateToUploadProgress = sendTransfer,
             )
         },
@@ -357,7 +357,7 @@ private fun SendButton(
     importedFiles: () -> List<FileUi>,
     shouldShowEmailAddressesFields: () -> Boolean,
     transferAuthorEmail: GetSetCallbacks<String>,
-    isTransferPending: () -> Boolean,
+    isTransferStarted: () -> Boolean,
     navigateToUploadProgress: () -> Unit,
 ) {
     val remainingFilesCount = filesToImportCount()
@@ -379,7 +379,8 @@ private fun SendButton(
         modifier = modifier,
         title = stringResource(R.string.transferSendButton),
         style = ButtonType.PRIMARY,
-        enabled = { importedFiles().isNotEmpty() && !isImporting && isSenderEmailCorrect && !isTransferPending() },
+        enabled = { importedFiles().isNotEmpty() && !isImporting && isSenderEmailCorrect && !isTransferStarted() },
+        showIndeterminateProgress = { isTransferStarted() },
         progress = progress,
         onClick = navigateToUploadProgress,
     )
@@ -447,7 +448,7 @@ private fun Preview(@PreviewParameter(FileUiListPreviewParameter::class) files:
             addFiles = {},
             closeActivity = {},
             shouldStartByPromptingUserForFiles = false,
-            isTransferPending = { false },
+            isTransferStarted = { false },
             sendTransfer = {},
         )
     }