diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/FlowId.java b/core/api/src/main/java/org/onlab/onos/net/flow/FlowId.java
index 03140f7..c7c44cb 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/FlowId.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/FlowId.java
@@ -1,13 +1,15 @@
 package org.onlab.onos.net.flow;
 
+import com.google.common.base.Objects;
+
 /**
  * Representation of a Flow ID.
  */
 public final class FlowId {
 
-    private final int flowid;
+    private final long flowid;
 
-    private FlowId(int id) {
+    private FlowId(long id) {
         this.flowid = id;
     }
 
@@ -15,7 +17,24 @@
         return new FlowId(id);
     }
 
-    public int value() {
+    public long value() {
         return flowid;
     }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj.getClass()  == this.getClass()) {
+            FlowId that = (FlowId) obj;
+            return Objects.equal(this.flowid, that.flowid);
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(this.flowid);
+    }
 }