diff --git a/roles/docker/templates/docker.service.j2 b/roles/docker/templates/docker.service.j2
index 584557cee..39e460e96 100644
--- a/roles/docker/templates/docker.service.j2
+++ b/roles/docker/templates/docker.service.j2
@@ -12,7 +12,7 @@ Wants=docker.socket
 [Service]
 Type=notify
 {% if docker_storage_options is defined %}
-Environment="DOCKER_STORAGE_OPTIONS={{docker_storage_options}}"
+Environment="DOCKER_STORAGE_OPTIONS={{ docker_storage_options }}"
 {% endif %}
 Environment=GOTRACEBACK=crash
 ExecReload=/bin/kill -s HUP $MAINPID