diff --git a/Cantera/src/.cvsignore b/Cantera/src/.cvsignore
index 22e18add8..9d7c374ae 100644
--- a/Cantera/src/.cvsignore
+++ b/Cantera/src/.cvsignore
@@ -2,3 +2,4 @@ Makefile
 pypath.h
 ctdir.h
 .depends
+config.h