diff --git a/waggle-dance-extensions/src/main/java/com/hotels/bdp/waggledance/extensions/client/ratelimit/BucketKeyGenerator.java b/waggle-dance-extensions/src/main/java/com/hotels/bdp/waggledance/extensions/client/ratelimit/BucketKeyGenerator.java
index d04359a8..ea8d6574 100644
--- a/waggle-dance-extensions/src/main/java/com/hotels/bdp/waggledance/extensions/client/ratelimit/BucketKeyGenerator.java
+++ b/waggle-dance-extensions/src/main/java/com/hotels/bdp/waggledance/extensions/client/ratelimit/BucketKeyGenerator.java
@@ -27,7 +27,7 @@ public String generateKey(String key) {
     if (prefix != null && !prefix.isEmpty()) {
       return prefix + "_" + key;
     }
-    return ""+key;
+    return "" + key;
   }
 
 }