diff --git a/redisson/src/main/java/org/redisson/pubsub/AsyncSemaphore.java b/redisson/src/main/java/org/redisson/pubsub/AsyncSemaphore.java
index 550aed0ba..9886b0c34 100644
--- a/redisson/src/main/java/org/redisson/pubsub/AsyncSemaphore.java
+++ b/redisson/src/main/java/org/redisson/pubsub/AsyncSemaphore.java
@@ -122,7 +122,7 @@ public class AsyncSemaphore {
 
     @Override
     public String toString() {
-        return "AsyncSemaphore [counter=" + counter + "]";
+        return counter;
     }