diff --git a/airoha/an7581/base-files/etc/system_layout/emmc.json b/airoha/an7581/base-files/etc/system_layout/emmc.json
index 6b19c6188da4b127c4493bdae2bfbeb9685e50cf..88a8da578a5e16399268ef4e59b4c2ab5a3e8fa1 100644
--- a/airoha/an7581/base-files/etc/system_layout/emmc.json
+++ b/airoha/an7581/base-files/etc/system_layout/emmc.json
@@ -4,13 +4,13 @@
       "id": 1,
       "name": "A",
       "rootfs": "/dev/mmcblk0p65",
-      "overlay": "/dev/mmcblk0p66"
+      "overlay": "/tmp/rootfs_data1"
     },
     {
       "id": 2,
       "name": "B",
       "rootfs": "/dev/mmcblk0p67",
-      "overlay": "/dev/mmcblk0p68"
+      "overlay": "/tmp/rootfs_data2"
     }
   ],
   "overlay_scope": [