diff --git a/roles/DCOS.bootstrap/templates/onprem/fault-domain-detect.sh.j2 b/roles/DCOS.bootstrap/templates/onprem/fault-domain-detect.sh.j2
index a1c5bbdf..4f9ea846 100644
--- a/roles/DCOS.bootstrap/templates/onprem/fault-domain-detect.sh.j2
+++ b/roles/DCOS.bootstrap/templates/onprem/fault-domain-detect.sh.j2
@@ -1,4 +1,4 @@
 #!/bin/sh
 set -o nounset -o errexit
 
-echo "{\"fault_domain\":{\"region\":{\"name\": onprem-1},\"zone\":{\"name\": onprem-1a}}}"
+echo "{\"fault_domain\":{\"region\":{\"name\": \"onprem-1\"},\"zone\":{\"name\": \"onprem-1a\"}}}"