diff --git a/src/clusterfuzz/_internal/tests/core/bot/tasks/utasks/minimize_task_test.py b/src/clusterfuzz/_internal/tests/core/bot/tasks/utasks/minimize_task_test.py
index a4dd0a2046f..d70931c603f 100644
--- a/src/clusterfuzz/_internal/tests/core/bot/tasks/utasks/minimize_task_test.py
+++ b/src/clusterfuzz/_internal/tests/core/bot/tasks/utasks/minimize_task_test.py
@@ -144,6 +144,7 @@ def setUp(self):
 
     environment.set_value('USE_MINIJAIL', True)
     data_types.Fuzzer(
+        blobstore_key='blobstore_key',
         revision=1,
         file_size='builtin',
         source='builtin',