diff --git a/test/linux/kdialog_handler_test.dart b/test/linux/kdialog_handler_test.dart
index e0971d22..b795430a 100644
--- a/test/linux/kdialog_handler_test.dart
+++ b/test/linux/kdialog_handler_test.dart
@@ -23,7 +23,7 @@ void main() {
       expect(
         dialogHandler.fileTypeToFileFilter(FileType.audio, null),
         equals(
-            'Audio File (*.[aA][aA][cC] *.[mM][iI][dD][iI] *.[mM][pP]3 *.[oO][gG][gG] *.[wW][aA][vV])'),
+            'Audio File (*.[aA][aA][cC] *.[mM][iI][dD][iI] *.[mM][pP]3 *.[oO][gG][gG] *.[wW][aA][vV] *.[mM]4[aA])'),
       );
 
       expect(
diff --git a/test/linux/qarma_and_zenity_handler_test.dart b/test/linux/qarma_and_zenity_handler_test.dart
index 0f2af6db..9f4327a4 100644
--- a/test/linux/qarma_and_zenity_handler_test.dart
+++ b/test/linux/qarma_and_zenity_handler_test.dart
@@ -22,7 +22,7 @@ void main() {
       expect(
         dialogHandler.fileTypeToFileFilter(FileType.audio, null),
         equals(
-            'Audio Files | *.[aA][aA][cC] *.[mM][iI][dD][iI] *.[mM][pP]3 *.[oO][gG][gG] *.[wW][aA][vV]'),
+            'Audio Files | *.[aA][aA][cC] *.[mM][iI][dD][iI] *.[mM][pP]3 *.[oO][gG][gG] *.[wW][aA][vV] *.[mM]4[aA]'),
       );
 
       expect(