diff --git a/docker-stacks/app-server/semaphore.yml b/docker-stacks/app-server/semaphore.yml
index 257338f..7d98e2e 100644
--- a/docker-stacks/app-server/semaphore.yml
+++ b/docker-stacks/app-server/semaphore.yml
@@ -18,7 +18,7 @@ services:
       SEMAPHORE_ADMIN_NAME: "${SEMAPHORE_ADMIN_USERNAME}"
       SEMAPHORE_ADMIN_EMAIL: "${SEMAPHORE_ADMIN_EMAIL}"
       SEMAPHORE_ACCESS_KEY_ENCRYPTION: "${SEMAPHORE_ACCESS_KEY_ENCRYPTION}"
-      volumes:
+    volumes:
       - semaphore-tmp:/tmp/semaphore
       - semaphore-ssh:/home/semaphore/.ssh