diff --git a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/FilesSize.kt b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/FilesSize.kt
index 9d593e829..468169212 100644
--- a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/FilesSize.kt
+++ b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/FilesSize.kt
@@ -17,6 +17,7 @@
  */
 package com.infomaniak.swisstransfer.ui.screen.newtransfer
 
+import android.content.res.Configuration
 import androidx.compose.foundation.layout.*
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
@@ -78,7 +79,11 @@ fun FilesSize(files: List<FileUi>, withSpaceLeft: Boolean) {
     }
 }
 
-@Preview
+@Preview(name = "Light")
+@Preview(
+    name = "Dark",
+    uiMode = Configuration.UI_MODE_NIGHT_YES or Configuration.UI_MODE_TYPE_NORMAL,
+)
 @Composable
 fun FileSizePreview(@PreviewParameter(FileUiListPreviewParameter::class) files: List<FileUi>) {
     SwissTransferTheme {