diff --git a/.gitignore b/.gitignore
index 6f4ec42c7b7..45a0fcad856 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@ CMakeFiles
 /bin/
 /lib/
 /config.h
+/emcc-build
 compile_commands.json
 test/lit/lit.site.cfg.py