diff --git a/.cvsignore b/.cvsignore
index 51e7c03d2..6ed641e1a 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1,6 +1,7 @@
 Makefile
 Makefile.in
 aclocal.m4
+confdefs.h
 config.cache
 config.log
 config.status