diff --git a/tools/system-set-merge/moon.yml b/tools/system-set-merge/moon.yml
index faa3cfa0..c0454917 100644
--- a/tools/system-set-merge/moon.yml
+++ b/tools/system-set-merge/moon.yml
@@ -22,3 +22,4 @@ tasks:
       - "src/index.js"
     outputs:
       - "@globs(sources)"
+    local: true