diff --git a/.puppet/profiles/icingaweb2_dev/manifests/init.pp b/.puppet/profiles/icingaweb2_dev/manifests/init.pp
index 33f29df3b..150838d5e 100644
--- a/.puppet/profiles/icingaweb2_dev/manifests/init.pp
+++ b/.puppet/profiles/icingaweb2_dev/manifests/init.pp
@@ -88,6 +88,7 @@ class icingaweb2_dev (
 
   icingaweb2::config::general { 'authentication':
     source => $name,
+    replace => false,
   }
 
   icingaweb2::config::general { [ 'config', 'resources', 'roles' ]: