diff --git a/source/gui/widgets/listbox.cpp b/source/gui/widgets/listbox.cpp
index a62a80f8..1fa6a29e 100644
--- a/source/gui/widgets/listbox.cpp
+++ b/source/gui/widgets/listbox.cpp
@@ -2387,7 +2387,9 @@ namespace nana
 								nana::rectangle r;
 								if (rect_lister(r))
 								{
-									auto top = new_where.second * item_h + header_visible_px();
+									//potential displacement due to partially visible first visible item
+									auto disp = origin.y - first_display().item * item_h;
+									auto top = new_where.second * item_h + header_visible_px() - disp;
 									if (checkarea(item_xpos(r), static_cast<int>(top)).is_hit(pos))
 										new_where.first = parts::checker;
 								}