diff --git a/package/linux-headers/linux-headers.mk b/package/linux-headers/linux-headers.mk
index 807e574f4d..a8d1c2ccaf 100644
--- a/package/linux-headers/linux-headers.mk
+++ b/package/linux-headers/linux-headers.mk
@@ -18,6 +18,10 @@ LINUX_HEADERS_VERSION = $(call qstrip,$(BR2_LINUX_KERNEL_VERSION))
 LINUX_HEADERS_CUSTOM_TARBALL_LOCATION = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION))
 LINUX_HEADERS_REPO_URL = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_REPO_URL))
 LINUX_HEADERS_CIP = $(BR2_LINUX_KERNEL_LATEST_CIP_VERSION)$(BR2_LINUX_KERNEL_LATEST_CIP_RT_VERSION)
+ifneq ($(LINUX_HEADERS_OVERRIDE_SRCDIR),)
+$(error LINUX_HEADERS_OVERRIDE_SRCDIR must not be set when BR2_KERNEL_HEADERS_AS_KERNEL=y)
+endif
+LINUX_HEADERS_OVERRIDE_SRCDIR = $(LINUX_OVERRIDE_SRCDIR)
 else # ! BR2_KERNEL_HEADERS_AS_KERNEL
 LINUX_HEADERS_CUSTOM_TARBALL = $(call qstrip,$(BR2_KERNEL_HEADERS_CUSTOM_TARBALL))
 LINUX_HEADERS_CUSTOM_GIT = $(call qstrip,$(BR2_KERNEL_HEADERS_CUSTOM_GIT))