diff --git a/__swarm/rancher/rancher-swarm.yml b/__swarm/rancher/rancher-swarm.yml
index 131edbe..8695e5f 100644
--- a/__swarm/rancher/rancher-swarm.yml
+++ b/__swarm/rancher/rancher-swarm.yml
@@ -11,7 +11,7 @@ services:
       published: 7443
       protocol: tcp
       mode: ingress
-    privileged: true
+    privileged: 'true'
     volumes:
     - data:/var/lib/rancher
     security_opt: