diff --git a/device-husky.mk b/device-husky.mk
index 50704af..313b918 100644
--- a/device-husky.mk
+++ b/device-husky.mk
@@ -18,7 +18,7 @@
 $(call inherit-product-if-exists, vendor/google/products/sources_pixel.mk)
 
 TARGET_KERNEL_DIR ?= device/google/shusky-kernel
-TARGET_BOARD_KERNEL_HEADERS := device/google/shusky-kernel/kernel-headers
+TARGET_BOARD_KERNEL_HEADERS ?= device/google/shusky-kernel/kernel-headers
 
 LOCAL_PATH := device/google/shusky
 
diff --git a/device-ripcurrent.mk b/device-ripcurrent.mk
index a480c42..4357f40 100644
--- a/device-ripcurrent.mk
+++ b/device-ripcurrent.mk
@@ -18,7 +18,7 @@
 $(call inherit-product-if-exists, vendor/google/products/sources_pixel.mk)
 
 TARGET_KERNEL_DIR ?= device/google/shusky-kernel
-TARGET_BOARD_KERNEL_HEADERS := device/google/shusky-kernel/kernel-headers
+TARGET_BOARD_KERNEL_HEADERS ?= device/google/shusky-kernel/kernel-headers
 
 ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
     USE_UWBFIELDTESTQM := true
diff --git a/device-shiba.mk b/device-shiba.mk
index b8b472e..23aac71 100644
--- a/device-shiba.mk
+++ b/device-shiba.mk
@@ -18,7 +18,7 @@
 $(call inherit-product-if-exists, vendor/google/products/sources_pixel.mk)
 
 TARGET_KERNEL_DIR ?= device/google/shusky-kernel
-TARGET_BOARD_KERNEL_HEADERS := device/google/shusky-kernel/kernel-headers
+TARGET_BOARD_KERNEL_HEADERS ?= device/google/shusky-kernel/kernel-headers
 
 LOCAL_PATH := device/google/shusky