diff --git a/roles/docker/defaults/main.yml b/roles/docker/defaults/main.yml
index 46edde4..ead56da 100644
--- a/roles/docker/defaults/main.yml
+++ b/roles/docker/defaults/main.yml
@@ -1,6 +1,6 @@
 # vim: ft=yaml.ansible
 ---
-volume_root_folder: /docker-volumes
+volume_root_folder: "/docker-volumes"
 
 services: