diff --git a/.gitignore b/.gitignore
index 9eca2b685..5f6161600 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@ intltool-extract.in
 intltool-merge.in
 intltool-update.in
 libtool
+m4/
 omf.make
 po/*.gmo
 po/Makefile.in.in