diff --git a/floor_generator/test/misc/extension/type_converter_element_extension_test.dart b/floor_generator/test/misc/extension/type_converter_element_extension_test.dart
index d48b0d11..81557501 100644
--- a/floor_generator/test/misc/extension/type_converter_element_extension_test.dart
+++ b/floor_generator/test/misc/extension/type_converter_element_extension_test.dart
@@ -37,6 +37,19 @@ void main() {
       expect(actual, equals({expected}));
     });
 
+    test('throws error when empty list in annotation', () async {
+      const typeConverterScope = TypeConverterScope.database;
+      final element = await '''
+        @TypeConverters(null)
+        abstract class Foo {}
+      '''
+          .asClassElement();
+
+      final actual = () => element.getTypeConverters(typeConverterScope);
+
+      expect(actual, throwsUnresolvedAnnotationException());
+    });
+
     test('throws error when empty list in annotation', () async {
       const typeConverterScope = TypeConverterScope.database;
       final element = await '''
diff --git a/floor_generator/test/test_utils.dart b/floor_generator/test/test_utils.dart
index 5858f00d..33a700dc 100644
--- a/floor_generator/test/test_utils.dart
+++ b/floor_generator/test/test_utils.dart
@@ -157,6 +157,12 @@ Matcher throwsProcessorError([
   }
 }
 
+Matcher throwsUnresolvedAnnotationException() {
+  return throwsA(isA<UnresolvedAnnotationException>());
+}
+
+
+
 Future<Dao> createDao(final String methodSignature) async {
   final library = await resolveSource('''
       library test;