diff --git a/config_panel.toml b/config_panel.toml
index 28fe461..d1c115d 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -10,4 +10,4 @@ name = "Element configuration"
         ask = "Choose a default home server"
         type = "string"
         default = "matrix.org"
-        bind = ":__FINALPATH__/config.json"
+        bind = "default_hs_url:__FINALPATH__/config.json"