diff --git a/bsp-files/kickstarts/pre_common_head.cfg b/bsp-files/kickstarts/pre_common_head.cfg
index a3ed1ed4..f654ea5f 100644
--- a/bsp-files/kickstarts/pre_common_head.cfg
+++ b/bsp-files/kickstarts/pre_common_head.cfg
@@ -7,6 +7,11 @@
 set -- `cat /proc/cmdline`
 for I in $*; do case "$I" in *=*) eval $I 2>/dev/null;; esac; done
 
+# Source the custom setup script if it exists
+if [ -e /run/install/repo/ks-setup.cfg ]; then
+    source /run/install/repo/ks-setup.cfg
+fi
+
 append=
 if [ -n "$console" ] ; then
     append="console=$console"
diff --git a/bsp-files/kickstarts/pre_disk_setup_common.cfg b/bsp-files/kickstarts/pre_disk_setup_common.cfg
index b5e48081..99e27469 100644
--- a/bsp-files/kickstarts/pre_disk_setup_common.cfg
+++ b/bsp-files/kickstarts/pre_disk_setup_common.cfg
@@ -16,6 +16,11 @@ wlog "USB_DEV='$USB_DEV'."
 set -- `cat /proc/cmdline`
 for I in $*; do case "$I" in *=*) eval $I 2>/dev/null;; esac; done
 
+# Source the custom setup script if it exists
+if [ -e /run/install/repo/ks-setup.cfg ]; then
+    source /run/install/repo/ks-setup.cfg
+fi
+
 if [ -z "$boot_device" ]; then
     boot_device=$(get_disk_dev)
 fi
diff --git a/bsp-files/kickstarts/pre_prestaging_install_check.cfg b/bsp-files/kickstarts/pre_prestaging_install_check.cfg
index 8be8189e..49409c87 100644
--- a/bsp-files/kickstarts/pre_prestaging_install_check.cfg
+++ b/bsp-files/kickstarts/pre_prestaging_install_check.cfg
@@ -13,8 +13,11 @@ set -- `cat /proc/cmdline`
 for I in $*; do case "$I" in *=*) eval $I 2>/dev/null;; esac; done
 for J in $*; do case "$J" in force_install) force_install=${J};; esac; done
 
-# if force_install is set, install anyway. Ignore the remainder of this section.
+if [ -e /run/install/repo/ks-setup.cfg ]; then
+    source /run/install/repo/ks-setup.cfg
+fi
 
+# if force_install is set, install anyway. Ignore the remainder of this section.
 if [ -z ${force_install} ]; then
     if [ -z "$rootfs_device" ]; then
         rootfs_device=$(get_disk_dev)