diff --git a/.gitignore b/.gitignore
index cd09e0f2fff3002ebac8c60b122a1cec492ff09b..f466e9e71e466f4d3a38ed97bc597b3e4583f73c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+tools/msys/tmp/*
 tools/msys/etc/group
 tools/msys/etc/passwd
 *.pyc