diff --git a/files/board/arpl/overlayfs/opt/arpl/model-configs/SA6400.yml b/files/board/arpl/overlayfs/opt/arpl/model-configs/SA6400.yml
index 3ecb1a52..b93a344f 100644
--- a/files/board/arpl/overlayfs/opt/arpl/model-configs/SA6400.yml
+++ b/files/board/arpl/overlayfs/opt/arpl/model-configs/SA6400.yml
@@ -23,7 +23,7 @@ serial:
     - "2270"
   middle: "UMR"
   suffix: "alpha"
-dom: 2
+dom: -1
 dt: true
 disks: 16
 beta: true