diff --git a/.drone.yml b/.drone.yml
index 0f72b1a..5b6f2a7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -20,4 +20,4 @@ steps:
   commands:
     - mkdir $HOME/.kube
     - echo $KUBECONFIG_CONTENT | base64 -d > $HOME/.kube/config
-    - helmfile -e $ENV diff
+    - helmfile -e ${ENV} diff