diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java b/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java
index 32f4981..4d01f8c 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java
@@ -349,7 +349,8 @@
 
     private void authenticate(String type, ObjectNode message) {
         if (!AUTHENTICATION.equals(type)) {
-            log.warn("Non-Authenticated Web Socket: {}", message);
+            log.warn("WebSocket not authenticated: {}", message);
+            close();
             return;
         }