diff --git a/env/merlin/sysconfigs/modules.yaml b/env/merlin/sysconfigs/modules.yaml
index 4b8d4de..0dcfc8b 100644
--- a/env/merlin/sysconfigs/modules.yaml
+++ b/env/merlin/sysconfigs/modules.yaml
@@ -1,6 +1,7 @@
 ---
 modules:
   default:
+    arch_folder: false
     enable:
       - tcl
     roots: