diff --git a/.drone.yml b/.drone.yml
index 410cc6a..348ed2a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,7 +11,7 @@ steps:
     image: alpine
     commands:
       - apk add perl git
-      - changed_charts=$(git show --name-only --pretty="format:" | grep '^charts' | perl -pe 's/^([^\/]*?\/[^\/]*?)\/.*/$1/' | sort | uniq)
+      - changed_charts=$(git show --name-only --pretty="format:" | grep '^charts' | perl -pe 's/^([^\\\/]*?\\\/[^\\\/]*?)\\\/.*/$1/' | sort | uniq)
       - echo $changed_charts
 
 image_pull_secrets:
diff --git a/charts/hello-world/new-new-file b/charts/hello-world/new-new-file
new file mode 100644
index 0000000..e69de29