diff --git a/Cantera/src/.cvsignore b/Cantera/src/.cvsignore
index f7a884992..22e18add8 100644
--- a/Cantera/src/.cvsignore
+++ b/Cantera/src/.cvsignore
@@ -1,3 +1,4 @@
 Makefile
+pypath.h
 ctdir.h
 .depends