diff --git a/server/src/com/cloud/configuration/ConfigurationManagerImpl.java b/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
index 111586d7733..b684e01ea0d 100755
--- a/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
+++ b/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
@@ -2528,7 +2528,7 @@ public class ConfigurationManagerImpl extends ManagerBase implements Configurati
         }
         Transaction txn = Transaction.currentTxn();
         txn.start();
-        if (sameSubnet.first() == false) {
+        if (sameSubnet == null || sameSubnet.first() == false) {
             s_logger.info("adding a new subnet to the network "+network.getId());
         }
         else {