diff --git a/lib/core/sorting_mode.dart b/lib/core/sorting_mode.dart
index 77495064..11f32bd1 100644
--- a/lib/core/sorting_mode.dart
+++ b/lib/core/sorting_mode.dart
@@ -62,7 +62,7 @@ class SortingMode {
             return -1;
           }
           if (bDt == null || aDt == null) {
-            return 0;
+            return b.fileName.compareTo(a.fileName);
           }
           return bDt.compareTo(aDt);
         };
@@ -79,7 +79,7 @@ class SortingMode {
             return -1;
           }
           if (bDt == null || aDt == null) {
-            return 0;
+            return b.fileName.compareTo(a.fileName);
           }
           return bDt.compareTo(aDt);
         };