diff --git a/lib/utils/primitive_utils.dart b/lib/utils/primitive_utils.dart
index 3843601e..801c2e5a 100644
--- a/lib/utils/primitive_utils.dart
+++ b/lib/utils/primitive_utils.dart
@@ -48,6 +48,6 @@ abstract class PrimitiveUtils {
   }
 
   static String toSafeFileName(String str) {
-    return str.replaceAll(RegExp(r'[^\w\s\.\-_]'), "_");
+    return str.replaceAll(RegExp(r'[/\?%*:|"<>]'), ' ');
   }
 }