diff --git a/models/huawei/src/main/yang/ne-l3vpncomm-type.yang b/models/huawei/src/main/yang/ne-l3vpncomm-type.yang
index 3e4e10c..3bc62f2 100644
--- a/models/huawei/src/main/yang/ne-l3vpncomm-type.yang
+++ b/models/huawei/src/main/yang/ne-l3vpncomm-type.yang
@@ -47,8 +47,7 @@
         typedef ipv4Address {
         type string {
             length "0..255";
-            pattern "((([1-9]?[0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.){3}
-            ([1-9]?[0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5]))";
+            pattern "((([1-9]?[0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.){3}([1-9]?[0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5]))";
         }
     }
 }