diff --git a/examples/docker/travelynx.conf b/examples/docker/travelynx.conf
index 8f3f56f90e5d2b471495c418edfa7b6b69655953..b3dc003ede5e8197e343a4c700360454ee6c538b 100644
--- a/examples/docker/travelynx.conf
+++ b/examples/docker/travelynx.conf
@@ -4,7 +4,7 @@
 		realtime => $ENV{TRAVELYNX_IRISRT_CACHE} // '/var/cache/travelynx/iris-rt',
 	},
 	db => {
-		host => $ENV{TRAVELYNX_DB_HOST} // 'die("Please set TRAVELYNX_DB_HOST")',
+		host => $ENV{TRAVELYNX_DB_HOST} // die("Please set TRAVELYNX_DB_HOST"),
 		database => $ENV{TRAVELYNX_DB_NAME} // 'travelynx',
 		user => $ENV{TRAVELYNX_DB_USERNAME} // 'travelynx',
 		password => $ENV{TRAVELYNX_DB_PASSWORD} // die("Please set TRAVELYNX_DB_PASSWORD"),