--- doc/png/Makefile.in.orig	Fri Jul 12 23:34:13 2013
+++ doc/png/Makefile.in	Sun Jul 14 15:16:57 2013
@@ -38,8 +38,8 @@ distclean: FORCE clean
 	-rm -f Makefile
 
 install: asymptote.info
-	${INSTALL} -d -m 755 $(infodir)/asymptote
-	${INSTALL} -p -m 644 asymptote.info $(infodir)/asymptote
+	${INSTALL} -d -m 755 $(infodir)
+	${INSTALL} -p -m 644 asymptote.info $(infodir)
 	-if test -z "$(DESTDIR)"; then \
 		install-info --infodir=$(infodir) asymptote.info; \
 	fi