diff --git a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiMulticastGroupEntry.java b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiMulticastGroupEntry.java
index 6a848ac..7bb4c2d 100644
--- a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiMulticastGroupEntry.java
+++ b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiMulticastGroupEntry.java
@@ -92,7 +92,7 @@
     @Override
     public String toString() {
         return MoreObjects.toStringHelper(this)
-                .add("groupId", groupId)
+                .add("groupId", "0x" + Integer.toHexString(groupId))
                 .add("replicas", replicas)
                 .toString();
     }