diff --git a/builds/amd64/installer/legacy/builds/amd64-installer.sh b/builds/amd64/installer/legacy/builds/amd64-installer.sh
index 86accc8f..5eac7de1 100644
--- a/builds/amd64/installer/legacy/builds/amd64-installer.sh
+++ b/builds/amd64/installer/legacy/builds/amd64-installer.sh
@@ -275,6 +275,15 @@ partition_gpt()
 installer_standard_gpt_install()
 {
   DEV=$1; shift
+  
+  if [ -z $DEV ]; then
+      # Install NOS to the same block device as ONIE image
+      DEV=$(blkid | grep ONIE-BOOT | awk '{print $1}' |  sed -e 's/[1-9][0-9]*:.*$//' | sed -e 's/\([0-9]\)\(p\)/\1/' | head -n 1)
+      [ -b "$DEV" ] || {
+          echo "Error: Unable to determine the block device to install NOS"
+          exit 1
+      }
+  fi
 
   visit_parted $DEV do_handle_disk do_handle_partitions || return 1
   partition_gpt $(get_free_space) || return 1
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/lib/install/x86-64-accton-as7712-32x-r0.sh b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/lib/install/x86-64-accton-as7712-32x-r0.sh
index b964838f..f30823a2 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/lib/install/x86-64-accton-as7712-32x-r0.sh
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as7712-32x/platform-config/r0/src/lib/install/x86-64-accton-as7712-32x-r0.sh
@@ -11,5 +11,5 @@
 
 platform_installer() {
     # Standard isntallation to an available GPT partition
-    installer_standard_gpt_install /dev/sdb
+    installer_standard_gpt_install
 }
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as7716-32x/platform-config/r0/src/lib/install/x86-64-accton-as7716-32x-r0.sh b/packages/platforms/accton/x86-64/x86-64-accton-as7716-32x/platform-config/r0/src/lib/install/x86-64-accton-as7716-32x-r0.sh
index b964838f..f30823a2 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as7716-32x/platform-config/r0/src/lib/install/x86-64-accton-as7716-32x-r0.sh
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as7716-32x/platform-config/r0/src/lib/install/x86-64-accton-as7716-32x-r0.sh
@@ -11,5 +11,5 @@
 
 platform_installer() {
     # Standard isntallation to an available GPT partition
-    installer_standard_gpt_install /dev/sdb
+    installer_standard_gpt_install
 }