diff --git a/ospf6d/.cvsignore b/ospf6d/.cvsignore
index cec4061..5e76e4d 100644
--- a/ospf6d/.cvsignore
+++ b/ospf6d/.cvsignore
@@ -1,4 +1,5 @@
 Makefile
+Makefile.in
 *.o
 *.patch
 ospf6d