diff --git a/.gitignore b/.gitignore
index 6eb802a6c..7f1f6b6fd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,6 +36,7 @@ test-bin
 *.iml
 .idea
 .DS_Store
+.directory
 build/windows/launch4j-*
 build/windows/launcher/launch4j
 build/windows/WinAVR-*.zip