diff --git a/bundle.sh b/bundle.sh
index 4daa373..fe44978 100755
--- a/bundle.sh
+++ b/bundle.sh
@@ -20,7 +20,7 @@ cp ../frontend/dist/assets/* public/
 
 PACKAGE="ucs-$(cat package.json | jq -r .version).tar.gz"
 
-tar czvf "$PACKAGE" package.json package-lock.json src/ node_modules/ public/
+tar czvf "$PACKAGE" package.json package-lock.json main.mjs node_modules/ public/
 cd ..
 mv backend/"$PACKAGE" .
 echo "$PACKAGE created."