diff --git a/.gitignore b/.gitignore
index 9f3dc5651..43266408a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,6 +43,7 @@ ChangeLog
 .idea
 .DS_Store
 etc/*.conf
+etc/mistral.conf.sample
 tools/lintstack.head.py
 tools/pylint_exceptions