diff --git a/schema/defs-linux.json b/schema/defs-linux.json
index a6c40e32a..4d9620a4a 100644
--- a/schema/defs-linux.json
+++ b/schema/defs-linux.json
@@ -97,7 +97,8 @@
                 }
             },
             "required": [
-                "names"
+                "names",
+                "action"
             ]
         },
         "Major": {