diff --git a/Makefile b/Makefile
index 52506b9..fd196f3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,15 @@
 rtk_hciattach:hciattach.c hciattach_rtk.o  
-	cc -o rtk_hciattach hciattach.c hciattach_rtk.o  
+	$(CC) $(CFLAGS) $(LDFLAGS) -o rtk_hciattach hciattach.c hciattach_rtk.o  
 
 hciattach_rtk.o:hciattach_rtk.c
-	cc -c hciattach_rtk.c
+	$(CC) $(CFLAGS) $(LDFLAGS) -c hciattach_rtk.c
 
-clean:
-	rm -f *.o  rtk_hciattach
+all:
+	rtk_hciattach
 
 install:
-	mkdir -p /lib/firmware/rtl_bt
-	cp -p rtlbt_* /lib/firmware/rtl_bt/.
+	mkdir -p $(DESTDIR)/usr/bin
+	cp -P rtk_hciattach $(DESTDIR)/usr/bin
+
+clean:
+	rm -f *.o rtk_hciattach