don't assum '.' is in PATH
diff --git a/Doc/Makefile b/Doc/Makefile
index 4b04cc3..eff7fb3 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -74,7 +74,7 @@
 	$(DVIPS) qua >qua.ps
 
 lib.texi: lib*.tex texipre.dat texipost.dat partparse.py fix.el
-	python partparse.py -o @lib.texi `whichlibs`
+	python partparse.py -o @lib.texi `./whichlibs`
 	emacs -batch -l fix.el -f save-buffer -kill
 	mv @lib.texi lib.texi