diff --git a/make/tex.mk b/make/tex.mk
index 2d0d78d4..5286e8ed 100644
--- a/make/tex.mk
+++ b/make/tex.mk
@@ -145,9 +145,11 @@ $(HTMLDIR): $(TEXSRC) $(FMT_OFFLINE_OUT) $(PRE_HTML)
 	rm -rf $@
 	mkdir -p $@
 	latex2html -split 4 -show_section_numbers  -dir $(HTMLDIR) $(MAIN).tex
-	for OLD in $(HTMLDIR)/*.html ; do sed "s/file:\/usr\/lib\/latex2html\/icons\///g;" $$OLD>$$OLD.new; mv $$OLD.new $$OLD; done
+	for OLD in $(HTMLDIR)/*.html; do \
+		sed "s/file:\/usr\/lib\/latex2html\/icons\///g; s/$(MAIN).html/node1.html/g;" $$OLD>$$OLD.new; \
+		mv $$OLD.new $$OLD; \
+	done
 	rm $(HTMLDIR)/$(MAIN).html
-	cd $(HTMLDIR); sed "s/$(MAIN).html/index.html/g;"  node1.html > node1.html.new ; mv node1.html.new node1.html
 	cp -r $(DISTDIR) $@/download
 	cat index_head.html > $(HTMLDIR)/index.html
 	for FILE in $(wildcard $(DISTDIR)/*); do SIZE=`ls -lk $$FILE | awk '{print $$5}'`;\