diff --git a/litecross/Makefile b/litecross/Makefile
index 5113b2d..3a91b1c 100644
--- a/litecross/Makefile
+++ b/litecross/Makefile
@@ -206,7 +206,7 @@ src_kernel_headers: | $(LINUX_SRCDIR)
 	ln -sf "$(LINUX_SRCDIR)" $@
 obj_kernel_headers/.lc_built: | src_kernel_headers
 	mkdir -p $(CURDIR)/obj_kernel_headers/staged
-	cd src_kernel_headers && $(MAKE) ARCH=$(LINUX_ARCH) O=$(CURDIR)/obj_kernel_headers INSTALL_HDR_PATH=$(CURDIR)/obj_kernel_headers/staged headers_install
+	cd src_kernel_headers && $(MAKE) $(KERNEL_VARS) ARCH=$(LINUX_ARCH) O=$(CURDIR)/obj_kernel_headers INSTALL_HDR_PATH=$(CURDIR)/obj_kernel_headers/staged headers_install
 	find obj_kernel_headers/staged/include '(' -name .install -o -name ..install.cmd ')' -exec rm {} +
 	touch $@
 install-kernel-headers: | obj_kernel_headers/.lc_built