diff --git a/modules/huy-utility/init.zsh b/modules/huy-utility/init.zsh
index cab1c61e..a6e0f9e0 100644
--- a/modules/huy-utility/init.zsh
+++ b/modules/huy-utility/init.zsh
@@ -53,7 +53,7 @@ else
 fi
 eval "
   function ls {
-    $_gnu_utility_ls -ACF \"\$@\" $_ls_color_flag | \$PAGER -e
+    LC_COLLATE=posix $_gnu_utility_ls -ACF \"\$@\" $_ls_color_flag | \$PAGER -e
   }
 "
 alias ll="$aliases[ll] -a"