diff --git a/mobile/lib/services/isolate_functions.dart b/mobile/lib/services/isolate_functions.dart
index 0ed231a63a..c123facf79 100644
--- a/mobile/lib/services/isolate_functions.dart
+++ b/mobile/lib/services/isolate_functions.dart
@@ -133,7 +133,7 @@ Future<dynamic> isolateFunction(
         final double similarity = embedding.vector.dot(otherEmbedding);
         result[embedding.fileID] = similarity;
       }
-      return Map.from(result);
+      return Map<int, double>.from(result);
 
     /// Cases for MLComputer end here