diff --git a/redisson/src/main/java/org/redisson/misc/TransferListener.java b/redisson/src/main/java/org/redisson/misc/TransferListener.java
index e4b75dcdd..e6efdbc03 100644
--- a/redisson/src/main/java/org/redisson/misc/TransferListener.java
+++ b/redisson/src/main/java/org/redisson/misc/TransferListener.java
@@ -52,7 +52,7 @@ public class TransferListener<T> implements BiConsumer<Object, Throwable> {
         if (value != null) {
             promise.trySuccess(value);
         } else {
-            promise.trySuccess((T)t);
+            promise.trySuccess((T) t);
         }
     }