diff --git a/util/src/main/java/io/kubernetes/client/informer/cache/Controller.java b/util/src/main/java/io/kubernetes/client/informer/cache/Controller.java
index b950b1dd34..602cd52e92 100644
--- a/util/src/main/java/io/kubernetes/client/informer/cache/Controller.java
+++ b/util/src/main/java/io/kubernetes/client/informer/cache/Controller.java
@@ -158,8 +158,8 @@ public void stop() {
         reflectorFuture.cancel(true);
       }
     }
-    reflectExecutor.shutdown();
-    resyncExecutor.shutdown();
+    reflectExecutor.shutdownNow();
+    resyncExecutor.shutdownNow();
   }
 
   /** returns true if the queue has been resycned */