diff --git a/docs/userguide/workers.rst b/docs/userguide/workers.rst
index 9e218d9b4f0..6bd2006b96a 100644
--- a/docs/userguide/workers.rst
+++ b/docs/userguide/workers.rst
@@ -1157,7 +1157,7 @@ for example one that reads the current prefetch count:
 
     from celery.worker.control import inspect_command
 
-    @inspect_command
+    @inspect_command()
     def current_prefetch_count(state):
         return {'prefetch_count': state.consumer.qos.value}