diff --git a/Makefile b/Makefile
index 0d9f5f9..97d510e 100755
--- a/Makefile
+++ b/Makefile
@@ -100,7 +100,7 @@ endif
 SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ | sed -e s/ppc/powerpc/ | sed -e s/armv.l/arm/)
 ARCH ?= $(SUBARCH)
 CROSS_COMPILE ?=
-KVER  := $(shell uname -r)
+KVER  ?= $(shell uname -r)
 KERNEL_SRC ?= /lib/modules/$(KVER)/build
 MODDESTDIR := /lib/modules/$(KVER)/kernel/drivers/net/wireless/
 INSTALL_PREFIX :=