diff --git a/src/pages/network/containers/Network/actions/CreateNetwork.jsx b/src/pages/network/containers/Network/actions/CreateNetwork.jsx
index 0b8993d6..eacdf3e9 100644
--- a/src/pages/network/containers/Network/actions/CreateNetwork.jsx
+++ b/src/pages/network/containers/Network/actions/CreateNetwork.jsx
@@ -101,10 +101,13 @@ export class CreateNetwork extends ModalAction {
       name,
       description,
       availability_zone_hints: [availableZone],
-      mtu,
       port_security_enabled,
     };
 
+    if (mtu) {
+      networkCommonData.mtu = mtu;
+    }
+
     const networkAdminPageData = {
       'router:external': external_network,
       project_id,