diff --git a/make/tex.mk b/make/tex.mk
index 2ef748a9..0bf64eb6 100644
--- a/make/tex.mk
+++ b/make/tex.mk
@@ -136,6 +136,7 @@ ps: dirs $(OUT).ps.zip
 txt: dirs $(OUT).txt.zip
 html: dirs $(OUT).html.zip
 pdf: dirs $(OUT).pdf.zip
+odt: dirs $(OUT).odt
 
 # generate from remote rules
 %.png: $(TEX_TMPL_DIR)/%.fig
@@ -276,6 +277,11 @@ $(OUTPUT).pdf: $(GENERATED)
 $(OUT).pdf.zip: $(OUTPUT).pdf
 	zip $@ $<
 
+$(OUTPUT).odt: $(GENERATED)
+	@echo "-- creating odt file"
+	htlatex $(MAIN).tex "xhtml,ooffice" "ooffice/! -cmozhtf" "-coo" "-cvalidate"
+	mv $(MAIN).odt $(OUTPUT).odt
+
 html_install: $(HTMLDIR)
 	@echo "-- installing html to $(TARGET_HOST):$(TARGET_DIR) as user $(TARGET_USER)"
 	$(CVS_RSH) -l $(TARGET_USER) $(TARGET_HOST) -C "\
@@ -287,6 +293,7 @@ html_install: $(HTMLDIR)
 clean:
 	@echo "-- cleaning up ..."
 	rm -rf *.aux *.toc *.dvi *.pdf *.ps *~ *.log *.done *.rep \
+		*.4ct *.4tc *.4of *.4oo *.4os *.4og */*.4og *.css *.html *.idv *.lg *.xref *.odt \
 		*.lol *.bak *.idx *.ilg *.ind *.out *.brf .\#* \#* \
 		$(NEWDIRS) $(OUTPUT).txt \
 		$(GENERATED) \