diff --git a/.drone.yml b/.drone.yml
index c8b435c..9396abf 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -40,5 +40,5 @@ steps:
       VERSION: 1.0.1-pre
     commands:
       - composer global require humbug/box
-      - php backupper app:build --build-version=$VERSION -n
+      - php backupper app:build --build-version="$VERSION" -n
       - php builds/backupper