--- docs/Makefile.in.orig	2012-05-23 13:45:15 UTC
+++ docs/Makefile.in
@@ -803,7 +803,7 @@ uninstall-man: uninstall-man1 uninstall-
 @HAVE_MAN2HTML_TRUE@	rm -f $(HTMLMANS)
 
 @HAVE_MAN2HTML_TRUE@%.html: %
-@HAVE_MAN2HTML_TRUE@	$(MAN2HTML) $* > $@
+@HAVE_MAN2HTML_TRUE@	$(MAN2HTML) < $* > $@
 
 @HAVE_MAN2HTML_FALSE@all-local: