diff --git a/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java b/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java
index 89c4692..e69fd6b 100644
--- a/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java
+++ b/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/OpenFlowGroupProvider.java
@@ -171,6 +171,7 @@
                     break;
                 default:
                     log.error("Unsupported Group operation");
+                    return;
             }
             sw.sendMsg(groupMod);
             GroupId groudId = new DefaultGroupId(groupMod.getGroup().getGroupNumber());