--- src/Makefile
+++ src/Makefile
@@ -33,13 +33,13 @@
 	git update-index --assume-unchanged dkms.conf || true
 
 module: version.h
-	@$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
+	@$(MAKE) -C "$(KERNELDIR)" SUBDIRS="$(SUBDIRS)" ARCH="$(ARCH)" CROSS_COMPILE="$(CROSS_COMPILE)" modules
 
 module-debug: version.h
 	@$(MAKE) -C $(KERNELDIR) M=$(PWD) V=1 CONFIG_WIREGUARD_DEBUG=y modules
 
 clean:
-	@$(MAKE) -C $(KERNELDIR) M=$(PWD) clean
+	@$(MAKE) -C "$(KERNELDIR)" SUBDIRS="$(SUBDIRS)" ARCH="$(ARCH)" CROSS_COMPILE="$(CROSS_COMPILE)" clean
 	@$(MAKE) -C tools clean
 
 module-install: