diff --git a/d2/src/main/java/com/linkedin/d2/balancer/properties/UriPropertiesMerger.java b/d2/src/main/java/com/linkedin/d2/balancer/properties/UriPropertiesMerger.java
index f0ed5c0e9a..9f313d72cd 100644
--- a/d2/src/main/java/com/linkedin/d2/balancer/properties/UriPropertiesMerger.java
+++ b/d2/src/main/java/com/linkedin/d2/balancer/properties/UriPropertiesMerger.java
@@ -55,7 +55,7 @@ public UriProperties merge(String propertyName, Collection<UriProperties> proper
 
     if (maxVersion == -1)
     {
-      LOG.warn("Merged Uri properties has invalid version -1. It should be > -1.");
+      LOG.warn("Merged Uri properties for cluster {} has invalid version -1. It should be > -1.", propertyName);
     }
     return new UriProperties(clusterName, partitionData, uriSpecificProperties, maxVersion);
   }