diff --git a/server/src/com/cloud/network/router/VpcVirtualNetworkApplianceManagerImpl.java b/server/src/com/cloud/network/router/VpcVirtualNetworkApplianceManagerImpl.java
index 619575cccb2..00c2486d29d 100644
--- a/server/src/com/cloud/network/router/VpcVirtualNetworkApplianceManagerImpl.java
+++ b/server/src/com/cloud/network/router/VpcVirtualNetworkApplianceManagerImpl.java
@@ -1144,7 +1144,7 @@ public class VpcVirtualNetworkApplianceManagerImpl extends VirtualNetworkApplian
         String localGuestCidr = vpc.getCidr();
         String localPublicGateway = _vlanDao.findById(ip.getVlanId()).getVlanGateway();
         String peerGatewayIp = gw.getGatewayIp();
-        String peerGuestCidrList = gw.getGuestCidrList().replace(";", ",");
+        String peerGuestCidrList = gw.getGuestCidrList();
         String ipsecPsk = gw.getIpsecPsk();
         String ikePolicy = gw.getIkePolicy();
         String espPolicy = gw.getEspPolicy();
diff --git a/utils/src/com/cloud/utils/net/NetUtils.java b/utils/src/com/cloud/utils/net/NetUtils.java
index 788b39c1465..1e87cd003a4 100755
--- a/utils/src/com/cloud/utils/net/NetUtils.java
+++ b/utils/src/com/cloud/utils/net/NetUtils.java
@@ -1137,7 +1137,7 @@ public class NetUtils {
     }
 
     public static boolean validateGuestCidrList(String guestCidrList) {
-        for (String guestCidr : guestCidrList.split(";")) {
+        for (String guestCidr : guestCidrList.split(",")) {
             if (!validateGuestCidr(guestCidr)) {
                 return false;
             }