diff --git a/manifest.toml b/manifest.toml
index 7f05440..54e7be9 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -59,7 +59,7 @@ ram.runtime = "50M"
 
     [resources.permissions]
     main.url = "/"
-    api.url = "re:$domain\/.well-known\/.*"
+    api.url = "re:__DOMAIN__\\/.well-known\\/.*"
     api.allowed = ["visitors", "all_users"]
     api.auth_header = false
     api.show_tile = false