diff --git a/.hgignore b/.hgignore
index 342b22ec..20de7345 100644
--- a/.hgignore
+++ b/.hgignore
@@ -7,6 +7,7 @@ syntax: glob
 **.o
 **.o.cmd
 **.swp
+**/.tmp_*.gcno
 **~
 .tmp_versions
 ChangeLog