diff --git a/.gitignore b/.gitignore
index 791c4689..0b70b9df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,7 +11,7 @@ module_dfu/host/xmosdfu/xmosdfu
 *.xi
 *.i
 *.bin
-.*
+.build*
 *~
 *.a
 *.swp