diff --git a/Makefile b/Makefile
index bc5f8b0..3040e6c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 kernelver ?= $(shell uname -r)
-MDIR	?= /lib/modules/$(kernelver)
-KDIR	?= $(MDIR)/build
+MDIR	?=
+KDIR	?= /lib/modules/$(kernelver)/build
 PWD	:= $(shell pwd)
 
 MODDEFS := CONFIG_DVB_CORE=m CONFIG_DVB_DDBRIDGE=m CONFIG_DVB_DRXK=m CONFIG_DVB_TDA18271C2DD=m CONFIG_DVB_CXD2099=m CONFIG_DVB_LNBP21=m  CONFIG_DVB_STV090x=m CONFIG_DVB_STV6110x=m CONFIG_DVB_STV0367=m CONFIG_DVB_TDA18212=m CONFIG_DVB_STV0367DD=m CONFIG_DVB_TDA18212DD=m CONFIG_DVB_OCTONET=m CONFIG_DVB_CXD2843=m CONFIG_DVB_STV0910=m CONFIG_DVB_STV6111=m CONFIG_DVB_LNBH25=m CONFIG_DVB_MXL5XX=m CONFIG_DVB_NET=y DDDVB=y
@@ -30,7 +30,7 @@ dep:
 	DIR=`pwd`; (cd $(TOPDIR); make KBUILD_EXTMOD=$$DIR dep)
 
 install: all
-	$(MAKE) -C $(KDIR) KBUILD_EXTMOD=$(PWD) modules_install
+	$(MAKE) -C $(KDIR) KBUILD_EXTMOD=$(PWD) INSTALL_MOD_PATH=$(MDIR) modules_install
 	depmod $(kernelver)
 
 clean: