diff --git a/openwrt/include/kernel.mk b/openwrt/include/kernel.mk
index 5c64ee4e12cb9f21ff4902737327ba1531eadbcb..8492998020c000d926db8be4fc3087ac47d48d51 100644
--- a/openwrt/include/kernel.mk
+++ b/openwrt/include/kernel.mk
@@ -1,7 +1,10 @@
+KERNEL:=kernel
+BOARD:=board
+LINUX_VERSION:=kernel
+
 ifneq ($(DUMP),1)
 include $(TOPDIR)/.kernel.mk
 
-KERNEL:=unknown
 ifneq (,$(findstring 2.4.,$(LINUX_VERSION)))
 KERNEL:=2.4
 LINUX_KMOD_SUFFIX=o