diff --git a/src/app/molecules/room-permissions/RoomPermissions.jsx b/src/app/molecules/room-permissions/RoomPermissions.jsx
index cd1ce01..d8046ae 100644
--- a/src/app/molecules/room-permissions/RoomPermissions.jsx
+++ b/src/app/molecules/room-permissions/RoomPermissions.jsx
@@ -233,7 +233,7 @@ function RoomPermissions({ roomId }) {
 
                   let powerLevel = 0;
                   let permValue = permInfo.parent
-                    ? permissions[permInfo.parent][permKey]
+                    ? permissions[permInfo.parent]?.[permKey]
                     : permissions[permKey];
 
                   if (!permValue) permValue = permInfo.default;