diff --git a/src/main/java/net/onrc/onos/core/linkdiscovery/NodePortTuple.java b/src/main/java/net/onrc/onos/core/linkdiscovery/NodePortTuple.java
index 6e5e0c3..224ca3a 100644
--- a/src/main/java/net/onrc/onos/core/linkdiscovery/NodePortTuple.java
+++ b/src/main/java/net/onrc/onos/core/linkdiscovery/NodePortTuple.java
@@ -69,17 +69,22 @@
 
     @Override
     public boolean equals(Object obj) {
-        if (this == obj)
+        if (this == obj) {
             return true;
-        if (obj == null)
+        }
+        if (obj == null) {
             return false;
-        if (getClass() != obj.getClass())
+        }
+        if (getClass() != obj.getClass()) {
             return false;
+        }
         NodePortTuple other = (NodePortTuple) obj;
-        if (nodeId != other.nodeId)
+        if (nodeId != other.nodeId) {
             return false;
-        if (portId != other.portId)
+        }
+        if (portId != other.portId) {
             return false;
+        }
         return true;
     }