diff --git a/.gitignore b/.gitignore
index cccb909..881479e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,7 +15,7 @@ bazel-*
 *.egg-info/
 
 # Sphinx build output
-_build/
+_build
 
 # Auto-generated by score_sphinx_bundle
 ubproject.toml