diff --git a/Makefile b/Makefile
index 493af6c..abd65b3 100644
--- a/Makefile
+++ b/Makefile
@@ -3,8 +3,12 @@ VERBOSITY = 0
 EXTRA_CFLAGS += -Wformat=2
 KVER ?= `uname -r`
 
+ifndef DESTDIR
+  DESTDIR := /
+endif
+
 KBUILD = /lib/modules/$(KVER)/build
-INSTALL_DIR = /lib/modules/$(KVER)/kernel/drivers/video
+INSTALL_DIR = $(DESTDIR)/usr/lib/modules/$(KVER)/kernel/drivers/video
 
 all: ${TARGET}
 
@@ -30,17 +34,17 @@ version.h:
 	fi
 
 uninstall:
-	rm -vf $(INSTALL_DIR)/$(TARGET)* /etc/udev/rules.d/99-pt3.rules
+	rm -vf $(INSTALL_DIR)/$(TARGET)* $(DESTDIR)/etc/udev/rules.d/99-pt3.rules
 
 dkms: $(TARGET)
 	if [ -d /etc/udev/rules.d -a ! -f /etc/udev/rules.d/99-pt3.rules ] ; then \
-		install -m 644 etc/99-pt3.rules /etc/udev/rules.d ; \
+		install -m 644 etc/99-pt3.rules $(DESTDIR)/etc/udev/rules.d ; \
 	fi
 
-install: uninstall dkms
+install: dkms
 	install -d $(INSTALL_DIR)
 	install -m 644 $(TARGET) $(INSTALL_DIR)
-	depmod -a $(KVER)
+	#depmod -a $(KVER)
 
 install_compress: install
 	. $(KBUILD)/.config ; \
@@ -51,4 +55,4 @@ install_compress: install
 	elif [ $$CONFIG_DECOMPRESS_GZIP = "y" ] ; then \
 		gzip  -9 $(INSTALL_DIR)/$(TARGET); \
 	fi
-	depmod -a $(KVER)
+	#depmod -a $(KVER)