diff --git a/server/src/com/cloud/network/rules/RulesManagerImpl.java b/server/src/com/cloud/network/rules/RulesManagerImpl.java
index 37cae90eb9c..2383366850c 100755
--- a/server/src/com/cloud/network/rules/RulesManagerImpl.java
+++ b/server/src/com/cloud/network/rules/RulesManagerImpl.java
@@ -255,11 +255,11 @@ public class RulesManagerImpl implements RulesManager, RulesService, Manager {
             if (validatePortRange) {
                 //source start port and source dest port should be the same. The same applies to dest ports
                 if (rule.getSourcePortStart().intValue() != rule.getDestinationPortStart()) {
-                    throw new InvalidParameterValueException("Private port start should be equal to public port start", null);
+                    throw new InvalidParameterValueException("Private port start should be equal to public port start");
                 }
                 
                 if (rule.getSourcePortEnd().intValue() != rule.getDestinationPortEnd()) {
-                    throw new InvalidParameterValueException("Private port end should be equal to public port end", null);
+                    throw new InvalidParameterValueException("Private port end should be equal to public port end");
                 }
             }