diff --git a/otherlibs/win32unix/.cvsignore b/otherlibs/win32unix/.cvsignore
index 7f0c559f0..9aaa7161d 100644
--- a/otherlibs/win32unix/.cvsignore
+++ b/otherlibs/win32unix/.cvsignore
@@ -1,2 +1,3 @@
 unixLabels.ml*
+unix.mli
 unix.lib
\ No newline at end of file