diff --git a/docker-stacks/app-server/droneci.yml b/docker-stacks/app-server/droneci.yml
index e710841..f13f390 100644
--- a/docker-stacks/app-server/droneci.yml
+++ b/docker-stacks/app-server/droneci.yml
@@ -9,7 +9,7 @@ drone:
       - DRONE_GITEA_CLIENT_SECRET=${DRONE_GITEA_CLIENT_SECRET}
       - DRONE_RPC_SECRET=${DRONE_RPC_SECRET}
       - DRONE_SERVER_HOST=${DRONE_SERVER_ADDRESS}
-      - DRONE_SERVER_PROTO=${DRONER_SERVER_PROTO}
+      - DRONE_SERVER_PROTO=${DRONE_SERVER_PROTO}
       - DRONE_USER_CREATE="username:drone,admin:true"
     volumes:
       - drone-data:/data