diff --git a/.gitignore b/.gitignore
index a1e31bbf194301025cd46b48624bb1ed1ca604e1..2e5bd3eb574ca824219f73ed0db32216fdacb36a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -112,3 +112,4 @@ conda-bld/
 
 # built JS files
 beat/editor/js
+prefix/