diff --git a/Makefile b/Makefile
index b746593..c361b52 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 HOSTTYPE = $(shell uname -m)
-BINDIR = $(HOME)/bin/$(HOSTTYPE)
+BINDIR ?= $(HOME)/bin/$(HOSTTYPE)
 CFLAGS = -Wall
 LDLIBS = -L/usr/X11R6/lib -lX11