diff --git a/server/src/com/cloud/network/vpn/Site2SiteVpnManagerImpl.java b/server/src/com/cloud/network/vpn/Site2SiteVpnManagerImpl.java
index 4ca0328da26..bfef25eb148 100644
--- a/server/src/com/cloud/network/vpn/Site2SiteVpnManagerImpl.java
+++ b/server/src/com/cloud/network/vpn/Site2SiteVpnManagerImpl.java
@@ -438,8 +438,8 @@ public class Site2SiteVpnManagerImpl extends ManagerBase implements Site2SiteVpn
             name = "VPN-" + gatewayIp;
         }
         String guestCidrList = cmd.getGuestCidrList();
-        if (!NetUtils.validateGuestCidrList(guestCidrList)) {
-            throw new InvalidParameterValueException("The customer gateway guest cidr list " + guestCidrList + " contains invalid guest cidr!");
+        if (!NetUtils.isValidCidrList(guestCidrList)) {
+            throw new InvalidParameterValueException("The customer gateway peer cidr list " + guestCidrList + " contains an invalid cidr!");
         }
         String ipsecPsk = cmd.getIpsecPsk();
         String ikePolicy = cmd.getIkePolicy();