diff --git a/Makefile b/Makefile
index 55c912c..4082546 100644
--- a/Makefile
+++ b/Makefile
@@ -4,8 +4,8 @@ libandroid-shmem.so: shmem.c shm.h
 	$(CC) $(CFLAGS) $(LDFLAGS) shmem.c -llog -o $@
 
 install: libandroid-shmem.so shm.h
-	cp libandroid-shmem.so $(PREFIX)/lib/libandroid-shmem.so
-	cp shm.h $(PREFIX)/include/sys/shm.h
+	install -D libandroid-shmem.so $(PREFIX)/lib/libandroid-shmem.so
+	install -D shm.h $(PREFIX)/include/sys/shm.h
 
 clean:
 	rm -f libandroid-shmem.so