diff --git a/fs_edit_general.lua b/fs_edit_general.lua
index 20aa821..5aae23c 100644
--- a/fs_edit_general.lua
+++ b/fs_edit_general.lua
@@ -897,6 +897,14 @@ yl_speak_up.get_fs_edit_option_related = function(player, table_click_result,
 				"Use the edit options or dialog menu to change the target dialog.]"..
 				"button[1.5,1.5;2,0.9;back_from_cannot_be_edited;Back]"
 		end
+		if( id_prefix == "p_" and e[ "p_type" ] == "item") then
+			-- the staff-based item precondition can be translated to an editable
+			-- inventory precondition which is equal
+			e[ "p_type" ] = "player_inv"
+			e[ "p_itemstack" ] = e[ "p_value"]
+			e[ "p_value" ] = "inv_contains"
+		end
+
 		data.what = table.indexof(values_what, e[ id_prefix.."type" ])
 		if(data.what == -1) then
 			data.what = 1