diff --git a/manifest.toml b/manifest.toml
index a3a4607..903b120 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -41,7 +41,7 @@ ram.runtime = "50M"
 
     [install.init_main_permission]
     type = "group"
-    default = all_users
+    default = "all_users"
 
     [install.admin]
     type = "user"