diff --git a/network/ports/port.j2 b/network/ports/port.j2
index fb703b98f4..d86038bb19 100644
--- a/network/ports/port.j2
+++ b/network/ports/port.j2
@@ -87,11 +87,11 @@ resources:
       replacement_policy: AUTO
       tags:
         - str_replace:
-            template: hostname=$HOSTNAME
+            template: tripleo_hostname=$HOSTNAME
             params:
               $HOSTNAME: {get_param: DnsName}
         - str_replace:
-            template: stack_name=$STACK_NAME
+            template: tripleo_stack_name=$STACK_NAME
             params:
               $STACK_NAME: {get_param: StackName}