--- a/Makefile.in
+++ b/Makefile.in
@@ -182,7 +182,7 @@
 	ocamldoc -html -d doc -I src -I +lablgtk2 $(OCAMLDOCFILES)
 
 doc/manual.pdf: doc/manual.tex
-	cd doc && mlpost -native -latex manual.tex -pdf fig.ml && pdflatex manual.tex
+	cd doc && mlpost -latex manual.tex -pdf fig.ml && pdflatex manual.tex
 
 wc:
 	ocamlwc src/*.ml* tests/*.ml* www/*.html -p 
