diff --git a/source/gui/widgets/treebox.cpp b/source/gui/widgets/treebox.cpp
index 5fb97c7b..eb859353 100644
--- a/source/gui/widgets/treebox.cpp
+++ b/source/gui/widgets/treebox.cpp
@@ -963,6 +963,9 @@ namespace nana
 					if(text_r.right() > visible_w_pixels())
 					{
 						node_state.tooltip = new tooltip_window(data.widget_ptr->handle(), text_r);
+						
+						//PR#406 Error Flynn's contribution
+						//fix: tooltip window doesn't have tree scheme & typeface 
 						API::dev::set_scheme(node_state.tooltip->handle(), API::dev::get_scheme(data.widget_ptr->handle()));
 						node_state.tooltip->typeface(data.widget_ptr->typeface());