diff --git a/src/main/java/net/onrc/onos/core/topology/DeviceEvent.java b/src/main/java/net/onrc/onos/core/topology/DeviceEvent.java
index 110aef5..317eb4e 100644
--- a/src/main/java/net/onrc/onos/core/topology/DeviceEvent.java
+++ b/src/main/java/net/onrc/onos/core/topology/DeviceEvent.java
@@ -51,7 +51,7 @@
     }
 
     /**
-     * Create an unfrozen copy of given Object.
+     * Creates an unfrozen copy of given Object.
      *
      * @param original to make copy of.
      */
@@ -125,7 +125,7 @@
             return true;
         }
 
-        if (!super.equals(obj)) {
+        if (obj == null) {
             return false;
         }