diff --git a/roles/mongodb/defaults/main.yml b/roles/mongodb/defaults/main.yml
index 5dfc8d4df..6aed9834a 100644
--- a/roles/mongodb/defaults/main.yml
+++ b/roles/mongodb/defaults/main.yml
@@ -1,5 +1,5 @@
 mongodb_install: False
 mongodb_enabled: False
 
-mongodb_db_path: {{ content_base }}/dbdata/mongodb    # == /library/dbdata/mongodb/
+mongodb_db_path: "{{ content_base }}/dbdata/mongodb"    # == /library/dbdata/mongodb/
 mongodb_conf: /etc/mongod.conf