diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageAudioContent.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageAudioContent.kt
index 6987804c..624d827d 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageAudioContent.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageAudioContent.kt
@@ -42,7 +42,7 @@ data class MessageAudioContent(
         /**
          * Required. Required if the file is not encrypted. The URL (typically MXC URI) to the audio clip.
          */
-        @Json(name = "url") val url: String? = null,
+        @Json(name = "url") override val url: String? = null,
 
         @Json(name = "m.relates_to") override val relatesTo: RelationDefaultContent? = null,
         @Json(name = "m.new_content") override val newContent: Content? = null,
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageEncryptedContent.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageEncryptedContent.kt
index 88123be3..125c18bb 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageEncryptedContent.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageEncryptedContent.kt
@@ -20,8 +20,18 @@ import im.vector.matrix.android.internal.crypto.model.rest.EncryptedFileInfo
 
 
 /**
- * Interface for message which can contains encrypted data
+ * Interface for message which can contains an encrypted file
  */
 interface MessageEncryptedContent : MessageContent {
+    /**
+     * Required. Required if the file is unencrypted. The URL (typically MXC URI) to the image.
+     */
+    val url: String?
+
     val encryptedFileInfo: EncryptedFileInfo?
-}
\ No newline at end of file
+}
+
+/**
+ * Get the url of the encrypted file or of the file
+ */
+fun MessageEncryptedContent.getFileUrl() = encryptedFileInfo?.url ?: url
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageFileContent.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageFileContent.kt
index f29a6fa9..ac70f5bf 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageFileContent.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageFileContent.kt
@@ -48,7 +48,7 @@ data class MessageFileContent(
         /**
          * Required. Required if the file is unencrypted. The URL (typically MXC URI) to the file.
          */
-        @Json(name = "url") val url: String? = null,
+        @Json(name = "url") override val url: String? = null,
 
         @Json(name = "m.relates_to") override val relatesTo: RelationDefaultContent? = null,
         @Json(name = "m.new_content") override val newContent: Content? = null,
@@ -66,4 +66,4 @@ data class MessageFileContent(
     fun getFileName(): String {
         return filename ?: body
     }
-}
\ No newline at end of file
+}
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageImageContent.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageImageContent.kt
index 15ee19c4..107a8b27 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageImageContent.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageImageContent.kt
@@ -43,7 +43,7 @@ data class MessageImageContent(
         /**
          * Required. Required if the file is unencrypted. The URL (typically MXC URI) to the image.
          */
-        @Json(name = "url") val url: String? = null,
+        @Json(name = "url") override val url: String? = null,
 
         @Json(name = "m.relates_to") override val relatesTo: RelationDefaultContent? = null,
         @Json(name = "m.new_content") override val newContent: Content? = null,
@@ -52,4 +52,4 @@ data class MessageImageContent(
          * Required if the file is encrypted. Information on the encrypted file, as specified in End-to-end encryption.
          */
         @Json(name = "file") override val encryptedFileInfo: EncryptedFileInfo? = null
-) : MessageEncryptedContent
\ No newline at end of file
+) : MessageEncryptedContent
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageVideoContent.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageVideoContent.kt
index e741e2f2..1c84b3e7 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageVideoContent.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageVideoContent.kt
@@ -42,7 +42,7 @@ data class MessageVideoContent(
         /**
          * Required. Required if the file is unencrypted. The URL (typically MXC URI) to the video clip.
          */
-        @Json(name = "url") val url: String? = null,
+        @Json(name = "url") override val url: String? = null,
 
         @Json(name = "m.relates_to") override val relatesTo: RelationDefaultContent? = null,
         @Json(name = "m.new_content") override val newContent: Content? = null,
@@ -51,4 +51,4 @@ data class MessageVideoContent(
          * Required if the file is encrypted. Information on the encrypted file, as specified in End-to-end encryption.
          */
         @Json(name = "file") override val encryptedFileInfo: EncryptedFileInfo? = null
-) : MessageEncryptedContent
\ No newline at end of file
+) : MessageEncryptedContent
diff --git a/vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailViewModel.kt b/vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailViewModel.kt
index d8b03cc8..d51b63d8 100644
--- a/vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailViewModel.kt
+++ b/vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailViewModel.kt
@@ -452,7 +452,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
                 FileService.DownloadMode.TO_EXPORT,
                 action.eventId,
                 action.messageFileContent.getFileName(),
-                action.messageFileContent.encryptedFileInfo?.url ?: action.messageFileContent.url,
+                action.messageFileContent.getSafeUrl(),
                 action.messageFileContent.encryptedFileInfo?.toElementToDecrypt(),
                 object : MatrixCallback<File> {
                     override fun onSuccess(data: File) {
diff --git a/vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/factory/MessageItemFactory.kt b/vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/factory/MessageItemFactory.kt
index 7a2d0836..889df1b5 100644
--- a/vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/factory/MessageItemFactory.kt
+++ b/vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/factory/MessageItemFactory.kt
@@ -185,7 +185,7 @@ class MessageItemFactory @Inject constructor(
         val (maxWidth, maxHeight) = timelineMediaSizeProvider.getMaxSize()
         val data = ImageContentRenderer.Data(
                 filename = messageContent.body,
-                url = messageContent.encryptedFileInfo?.url ?: messageContent.url,
+                url = messageContent.getFileUrl(),
                 elementToDecrypt = messageContent.encryptedFileInfo?.toElementToDecrypt(),
                 height = messageContent.info?.height,
                 maxHeight = maxHeight,
@@ -238,7 +238,7 @@ class MessageItemFactory @Inject constructor(
         val videoData = VideoContentRenderer.Data(
                 eventId = informationData.eventId,
                 filename = messageContent.body,
-                url = messageContent.encryptedFileInfo?.url ?: messageContent.url,
+                url = messageContent.getFileUrl(),
                 elementToDecrypt = messageContent.encryptedFileInfo?.toElementToDecrypt(),
                 thumbnailMediaData = thumbnailData
         )