diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/content/UploadContentWorker.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/content/UploadContentWorker.kt
index 0a2aca99a0..8e1a028186 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/content/UploadContentWorker.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/content/UploadContentWorker.kt
@@ -202,9 +202,10 @@ internal class UploadContentWorker(context: Context, params: WorkerParameters) :
                                            thumbnailEncryptedFileInfo: EncryptedFileInfo?): MessageVideoContent {
         return copy(
                 url = if (encryptedFileInfo == null) url else null,
+                encryptedFileInfo = encryptedFileInfo?.copy(url = url),
                 videoInfo = videoInfo?.copy(
                         thumbnailUrl = if (thumbnailEncryptedFileInfo == null) thumbnailUrl else null,
-                        thumbnailFile = thumbnailEncryptedFileInfo?.copy(url = url)
+                        thumbnailFile = thumbnailEncryptedFileInfo?.copy(url = thumbnailUrl)
                 )
         )
     }