diff --git a/dot_config/helix/config.toml b/dot_config/helix/config.toml
index 5cc5af9c..7b005dbe 100644
--- a/dot_config/helix/config.toml
+++ b/dot_config/helix/config.toml
@@ -6,6 +6,8 @@ C-j = "jump_view_down"
 C-k = "jump_view_up"
 C-l = "jump_view_right"
 
+"space" = {t = ":tree-sitter-subtree"}
+
 [editor]
 idle-timeout = 0