diff --git a/lib/src/itunes_search_api.dart b/lib/src/itunes_search_api.dart
index 48881d37..f7893a7d 100644
--- a/lib/src/itunes_search_api.dart
+++ b/lib/src/itunes_search_api.dart
@@ -140,6 +140,7 @@ class ITunesSearchAPI {
             print(
                 'upgrader.ITunesSearchAPI: results are empty: $decodedResults');
           }
+          return null;
         }
         return decodedResults;
       }
diff --git a/test/itunes_test.dart b/test/itunes_test.dart
index 625b966e..a010a0a2 100644
--- a/test/itunes_test.dart
+++ b/test/itunes_test.dart
@@ -65,10 +65,7 @@ void main() {
 
     final response = await iTunes.lookupByBundleId('com.google.MyApp',
         useCacheBuster: false);
-    expect(response, isInstanceOf<Map>());
-    final results = response!['results'];
-    expect(results, isNotNull);
-    expect(results.length, 0);
+    expect(response, isNull);
   }, skip: false);
 
   test('testing lookupById', () async {