--- ./Makefile.in.orig	2014-01-21 10:11:40.000000000 +0000
+++ ./Makefile.in	2014-05-10 02:49:19.171834039 +0100
@@ -21,10 +21,10 @@
 
 install:
 	strip free
-	-$(INSTALL) -d $(bindir)
-	-$(INSTALL) -d $(mandir)/man1
-	$(INSTALL) -m 755 free $(bindir)/freecolor
-	$(INSTALL) -m 644 freecolor.1 $(mandir)/man1/freecolor.1
+	-$(INSTALL) -d $(DESTDIR)$(bindir)
+	-$(INSTALL) -d $(DESTDIR)$(mandir)/man1
+	$(INSTALL) -m 755 free $(DESTDIR)$(bindir)/freecolor
+	$(INSTALL) -m 644 freecolor.1 $(DESTDIR)$(mandir)/man1/freecolor.1
 
 clean:
 	rm -f core free *~