diff --git a/.cvsignore b/.cvsignore
index 89171ec..f21ab8e 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -15,6 +15,7 @@ configure
 depcomp
 install-sh
 libtool
+m4
 missing
 mkinstalldirs
 ltmain.sh