diff --git a/core/src/com/cloud/network/resource/JuniperSrxResource.java b/core/src/com/cloud/network/resource/JuniperSrxResource.java
index 66ddddf602a..5bf1d0da92b 100644
--- a/core/src/com/cloud/network/resource/JuniperSrxResource.java
+++ b/core/src/com/cloud/network/resource/JuniperSrxResource.java
@@ -1546,17 +1546,16 @@ public class JuniperSrxResource implements ServerResource {
             return sendRequestAndCheckResponse(command, xml, "name", publicIp + "/32");
 
         case CHECK_IF_IN_USE:
-            // Check if any static or destination NAT rules use this proxy ARP entry
-            List<String[]> staticAndDestNatRules = getAllStaticAndDestNatRules();			
-
-            for (String[] rule : staticAndDestNatRules) {
-                String rulePublicIp = rule[0];
-                if (publicIp.equals(rulePublicIp)) {
-                    return true;
-                }
-            }
-
-            return false;
+        	// Check if any NAT rules are using this proxy ARP entry
+        	String poolName = genSourceNatPoolName(publicIp);
+               
+        	String allStaticNatRules = sendRequest(SrxXml.STATIC_NAT_RULE_GETALL.getXml());
+        	String allDestNatRules = sendRequest(replaceXmlValue(SrxXml.DEST_NAT_RULE_GETALL.getXml(), "rule-set", _publicZone));
+        	String allSrcNatRules = sendRequest(SrxXml.SRC_NAT_RULE_GETALL.getXml());
+    
+        	return (allStaticNatRules.contains(publicIp) ||
+        			allDestNatRules.contains(publicIp) ||
+        			allSrcNatRules.contains(poolName));
 
         case ADD:
             if (manageProxyArp(SrxCommand.CHECK_IF_EXISTS, publicVlanTag, publicIp)) {