diff --git a/api/src/com/cloud/api/response/NicResponse.java b/api/src/com/cloud/api/response/NicResponse.java
index 50364466e34..9e73aaa60fb 100755
--- a/api/src/com/cloud/api/response/NicResponse.java
+++ b/api/src/com/cloud/api/response/NicResponse.java
@@ -144,7 +144,28 @@ public class NicResponse extends BaseResponse {
 	}
 
     @Override
-    public boolean equals(Object r){
-        return (r instanceof NicResponse) && id==((NicResponse)r).id; 
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((id == null) ? 0 : id.hashCode());
+        return result;
     }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        NicResponse other = (NicResponse) obj;
+        if (id == null) {
+            if (other.id != null)
+                return false;
+        } else if (!id.equals(other.id))
+            return false;
+        return true;
+    }
+    
 }
diff --git a/api/src/com/cloud/api/response/SecurityGroupResponse.java b/api/src/com/cloud/api/response/SecurityGroupResponse.java
index 39044fc875d..48f28fc9b99 100644
--- a/api/src/com/cloud/api/response/SecurityGroupResponse.java
+++ b/api/src/com/cloud/api/response/SecurityGroupResponse.java
@@ -133,7 +133,27 @@ public class SecurityGroupResponse extends BaseResponse {
     }
     
     @Override
-    public boolean equals(Object r){
-        return  (r instanceof SecurityGroupResponse) && id==((SecurityGroupResponse)r).id; 
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((id == null) ? 0 : id.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        SecurityGroupResponse other = (SecurityGroupResponse) obj;
+        if (id == null) {
+            if (other.id != null)
+                return false;
+        } else if (!id.equals(other.id))
+            return false;
+        return true;
     }
 }