diff --git a/.gitignore b/.gitignore
index c788f51b45b..048ce4e4343 100644
--- a/.gitignore
+++ b/.gitignore
@@ -70,6 +70,7 @@ $tf*/
 [Bb]uild/
 build-win/
 build*/
+/build
 # CMake cache
 CMakeCache.txt
 CMakeFiles