diff --git a/.drone.yml b/.drone.yml
index 7916752..6d52931 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -14,7 +14,7 @@ steps:
   - name: package
     image: alpine
     environment:
-      - BINARY_NAME=voctool
+      BINARY_NAME: voctool
     commands:
       - apk add zip tar
       - zip ${BINARY_NAME}.zip target/release/${BINARY_NAME}