diff --git a/board/minnowboard/post-image.sh b/board/minnowboard/post-image.sh
deleted file mode 100755
index 428baa5e55..0000000000
--- a/board/minnowboard/post-image.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh -e
-
-GENIMAGE_CFG="board/minnowboard/genimage.cfg"
-GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp"
-
-rm -rf "${GENIMAGE_TMP}"
-
-genimage \
-    --rootpath "${TARGET_DIR}" \
-    --tmppath "${GENIMAGE_TMP}" \
-    --inputpath "${BINARIES_DIR}" \
-    --outputpath "${BINARIES_DIR}" \
-    --config "${GENIMAGE_CFG}"
diff --git a/configs/minnowboard_max_defconfig b/configs/minnowboard_max_defconfig
index 523ddffd51..fef597c350 100644
--- a/configs/minnowboard_max_defconfig
+++ b/configs/minnowboard_max_defconfig
@@ -5,7 +5,8 @@ BR2_x86_silvermont=y
 # Misc
 BR2_SYSTEM_DHCP="eth0"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/minnowboard/post-build.sh"
-BR2_ROOTFS_POST_IMAGE_SCRIPT="board/minnowboard/post-image.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/minnowboard/genimage.cfg"
 
 # Linux headers same as kernel, a 4.19 series
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_19=y