diff --git a/patch/kernel/archive/rockchip-6.9/patches.armbian/general-add-overlay-compilation-support.patch b/patch/kernel/archive/rockchip-6.9/patches.armbian/general-add-overlay-compilation-support.patch
index 300e78afb0..b2e233f4dd 100644
--- a/patch/kernel/archive/rockchip-6.9/patches.armbian/general-add-overlay-compilation-support.patch
+++ b/patch/kernel/archive/rockchip-6.9/patches.armbian/general-add-overlay-compilation-support.patch
@@ -9,15 +9,26 @@ Subject: [PATCH] compile .scr and install overlays in right path
  2 files changed, 8 insertions(+), 2 deletions(-)
 
 diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
-index 67956f6496a5..1882d264306c 100644
+index 67956f6496a5..151687728a60 100644
 --- a/scripts/Makefile.dtbinst
 +++ b/scripts/Makefile.dtbinst
-@@ -33,7 +33,7 @@ endef
+@@ -33,7 +33,18 @@ endef
  
  $(foreach d, $(sort $(dir $(dtbs))), $(eval $(call gen_install_rules,$(d))))
  
 -dtbs := $(notdir $(dtbs))
-+dtbs := $(subst rockchip/,,$(dtbs))
++# Very convoluted way to flatten all the device tree
++# directories, but keep the "/overlay/" directory
++
++# topmost directory (ie: from rockchip/overlay/rk322x-emmc.dtbo extracts rockchip)
++topmost_dir = $(firstword $(subst /, ,$(dtbs)))
++# collect dtbs entries which starts with "$topmost_dir/overlay/", then remove "$topmost_dir"
++dtbs_overlays = $(subst $(topmost_dir)/,,$(filter $(topmost_dir)/overlay/%, $(dtbs)))
++# collect the non-overlay dtbs
++dtbs_regular = $(filter-out $(topmost_dir)/overlay/%, $(dtbs))
++# compose the dtbs variable flattening all the non-overlays entries
++# and appending the overlays entries
++dtbs := $(notdir $(dtbs_regular)) $(dtbs_overlays)
  
  endif # CONFIG_ARCH_WANT_FLAT_DTB_INSTALL