diff --git a/release/models/isis/openconfig-isis-routing.yang b/release/models/isis/openconfig-isis-routing.yang
index 80a3154ff..787be99fe 100644
--- a/release/models/isis/openconfig-isis-routing.yang
+++ b/release/models/isis/openconfig-isis-routing.yang
@@ -297,6 +297,12 @@ submodule openconfig-isis-routing {
       description
         "Subsequent address-family type.";
     }
+    leaf enabled {
+      type boolean;
+      description
+        "When set to true, the functionality within which this leaf is
+        defined is enabled, when set to false it is explicitly disabled.";
+    }
     //prefer single topology
   }