diff --git a/lib/driver/.cvsignore b/lib/driver/.cvsignore
index ed5ff996..93be0c46 100644
--- a/lib/driver/.cvsignore
+++ b/lib/driver/.cvsignore
@@ -6,4 +6,5 @@ Makefile.in
 *.lo
 *.la
 *.la.ver
+*.dll