diff --git a/.drone.yml b/.drone.yml
index df2ef84..fde5f6d 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -16,7 +16,7 @@ steps:
       DOCKER_HOST: docker.io
     commands:
       - sleep 5
-      - echo "${DOCKER_PASSWORD}" | docker login --password-stdin --username="${DOCKER_USERNAME}" "${DOCKER_HOST}"
+      - echo "$DOCKER_PASSWORD" | docker login --password-stdin --username="$DOCKER_USERNAME" "$DOCKER_HOST"
       - shuttle run build
 services:
   - name: docker