diff --git a/Makefile b/Makefile
index 004869b..588f886 100644
--- a/Makefile
+++ b/Makefile
@@ -26,3 +26,4 @@ install: all
 	/usr/bin/install -c -m 0644 XMem.ad $(DESTDIR)/usr/local/lib/X11/app-defaults/XMem
 	/usr/bin/install -d -m 0755 $(DESTDIR)/usr/local/share/xmem/
 	/usr/bin/install -c -m 0644 xmem.bit $(DESTDIR)/usr/local/share/xmem/
+	/usr/bin/install -c -m 0644 copyright $(DESTDIR)/usr/local/share/xmem/