diff --git a/.hgignore b/.hgignore
index 1fbad60fd..6f730f76e 100644
--- a/.hgignore
+++ b/.hgignore
@@ -153,6 +153,7 @@ code/nelns/build/*
 code/snowballs/build/*
 code/ryzom/build/*
 code/build/*
+code/build-2010/*
 build/*
 install/*