diff --git a/Makefile.org b/Makefile.org
index 794d04980..7c02a2b92 100644
--- a/Makefile.org
+++ b/Makefile.org
@@ -857,6 +857,7 @@ install_docs:
 			>  $(INSTALL_PREFIX)$(MANDIR)/man$$sec/$$fn.$${sec}$(MANSUFFIX); \
 		$(PERL) util/extract-names.pl < $$i | \
 			grep -v $$filecase "^$$fn\$$" | \
+			grep -v "[	]" | \
 			(cd $(INSTALL_PREFIX)$(MANDIR)/man$$sec/; \
 			 while read n; do \
 				$$here/util/point.sh $$fn.$${sec}$(MANSUFFIX) "$$n".$${sec}$(MANSUFFIX); \
@@ -873,6 +874,7 @@ install_docs:
 			>  $(INSTALL_PREFIX)$(MANDIR)/man$$sec/$$fn.$${sec}$(MANSUFFIX); \
 		$(PERL) util/extract-names.pl < $$i | \
 			grep -v $$filecase "^$$fn\$$" | \
+			grep -v "[	]" | \
 			(cd $(INSTALL_PREFIX)$(MANDIR)/man$$sec/; \
 			 while read n; do \
 				$$here/util/point.sh $$fn.$${sec}$(MANSUFFIX) "$$n".$${sec}$(MANSUFFIX); \