diff -urp isic-0.07.orig/Makefile.in isic-0.07/Makefile.in
--- isic-0.07.orig/Makefile.in	2006-12-22 03:33:32.000000000 -0500
+++ isic-0.07/Makefile.in	2007-01-25 15:23:29.000000000 -0500
@@ -63,7 +63,7 @@ package: distclean
 	  tar -czvf isic-$(VERSION).tgz ./isic-$(VERSION)/* )
 
 install: $(BINS) $(MAN)
-	$(INSTALL) -m 0755 -d $(PREFIX)/bin
-	$(INSTALL) -m 0755 -c $(BINS) $(PREFIX)/bin
-	$(INSTALL) -m 0755 -d $(PREFIX)/man/man1
-	${INSTALL} -m 0755 -c $(MAN) $(PREFIX)/man/man1
+	$(INSTALL) -m 0755 -d $(DESTDIR)$(PREFIX)/bin
+	$(INSTALL) -m 0755 -c $(BINS) $(DESTDIR)$(PREFIX)/bin
+	$(INSTALL) -m 0755 -d $(DESTDIR)$(PREFIX)/share/man/man1
+	${INSTALL} -m 0755 -c $(MAN) $(DESTDIR)$(PREFIX)/share/man/man1