diff --git a/update-autotools b/update-autotools
index 4d7b6f7..4e68476 100755
--- a/update-autotools
+++ b/update-autotools
@@ -16,7 +16,7 @@
 done
 
 echo "UPDATING:"
-aclocal
+aclocal -I m4
 autoheader
 autoconf
 libtoolize