diff --git a/core/modules/system/config/system.reverse-proxy.yml b/core/modules/system/config/system.reverse-proxy.yml
index 7c98b91..ec97389 100644
--- a/core/modules/system/config/system.reverse-proxy.yml
+++ b/core/modules/system/config/system.reverse-proxy.yml
@@ -1,3 +1,3 @@
-enabled: 0
-header: 'HTTP_X_FORWARDED_FOR'
+enabled: '0'
+header: HTTP_X_FORWARDED_FOR
 addresses: []