diff --git a/Cantera/python/examples/flames/.cvsignore b/Cantera/python/examples/flames/.cvsignore
index 2ff11d6e4..cc7d60a13 100644
--- a/Cantera/python/examples/flames/.cvsignore
+++ b/Cantera/python/examples/flames/.cvsignore
@@ -7,3 +7,4 @@ flame1.csv
 flame1.xml
 .ct*
 h2o2.xml
+Makefile