diff --git a/source/gui/widgets/listbox.cpp b/source/gui/widgets/listbox.cpp
index 22b87cf3..5b2c4ff8 100644
--- a/source/gui/widgets/listbox.cpp
+++ b/source/gui/widgets/listbox.cpp
@@ -2948,7 +2948,7 @@ namespace nana
 										lister.select_for_all(false);
 								}
 								else
-									sel = !item_proxy(essence_, item_pos).selected();
+									sel = !item_proxy(essence_, index_pair (item_pos.cat, lister.absolute(item_pos))).selected();
 
 								if(item_ptr)
 								{