diff --git a/roles/vhosts/xworkmate_bridge/tasks/validate.yml b/roles/vhosts/xworkmate_bridge/tasks/validate.yml
index cc2de9c..4884d50 100644
--- a/roles/vhosts/xworkmate_bridge/tasks/validate.yml
+++ b/roles/vhosts/xworkmate_bridge/tasks/validate.yml
@@ -32,7 +32,9 @@
       - "'handle /acp*' in xworkmate_bridge_fragment.stdout"
       - "'handle /api*' in xworkmate_bridge_fragment.stdout"
       - "'handle /artifacts/*' in xworkmate_bridge_fragment.stdout"
-      - "'reverse_proxy {{ xworkmate_bridge_listen_host }}:{{ xworkmate_bridge_listen_port }}' in xworkmate_bridge_fragment.stdout"
+      - >-
+        'reverse_proxy ' ~ xworkmate_bridge_listen_host ~ ':' ~ xworkmate_bridge_listen_port
+        in xworkmate_bridge_fragment.stdout
       - "'flush_interval -1' in xworkmate_bridge_fragment.stdout"
       - "'read_timeout 30m' in xworkmate_bridge_fragment.stdout"
       - "'write_timeout 30m' in xworkmate_bridge_fragment.stdout"