diff --git a/.cvsignore b/.cvsignore
index 9b7ae7b4f..e220a87a5 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -10,3 +10,4 @@ configure
 autom4te.cache
 .gdbinit
 mkmf.log
+preinst-swig