diff --git a/src/vnet/map/map.api b/src/vnet/map/map.api
index a63703a..a066b68 100644
--- a/src/vnet/map/map.api
+++ b/src/vnet/map/map.api
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-vl_api_version 1.1.0
+option version = "1.1.0";
 
 /** \brief Add MAP domains
     @param client_index - opaque cookie to identify the sender