diff --git a/heat/cloudinit/config b/heat/cloudinit/config
index 8b69ddf3f0..bb107de718 100644
--- a/heat/cloudinit/config
+++ b/heat/cloudinit/config
@@ -1,5 +1,5 @@
 runcmd:
- - [ setenforce, 0 ]
+ - type setenforce > /dev/null 2>&1 && setenforce 0
 
 user: ec2-user