diff --git a/.drone.star b/.drone.star
index c045585..a8ac0a3 100644
--- a/.drone.star
+++ b/.drone.star
@@ -69,7 +69,7 @@ def buildNginx(name):
     ]),
     "commands": [
       "cd lestencrypt-nginx",
-      "sh build.sh {name} $${LOCAL_DOCKER_REGISTRY}".format(name = name),
+      "sh build.sh {name} $${{LOCAL_DOCKER_REGISTRY}}".format(name = name),
     ],
   }