diff --git a/test/TableGen/TemplateArgRename.td b/test/TableGen/TemplateArgRename.td
index b940a56d03a..e7389cdb499 100644
--- a/test/TableGen/TemplateArgRename.td
+++ b/test/TableGen/TemplateArgRename.td
@@ -1,4 +1,4 @@
-// tblgen %s
+// RUN: tblgen %s
 
 // Make sure there is no collision between XX and XX.
 def S;