diff --git a/scripts/.cvsignore b/scripts/.cvsignore
index c4f95a606..1b7935a32 100644
--- a/scripts/.cvsignore
+++ b/scripts/.cvsignore
@@ -7,3 +7,4 @@ mercury.bat
 mdprof
 parse_ml_options.sh-subr
 Mercury.config Mercury.config.bootstrap mercury_config
+prepare_tmp_dir_fixed_part