diff --git a/functions.lua b/functions.lua
index 8d7c83d..80bb539 100644
--- a/functions.lua
+++ b/functions.lua
@@ -3199,10 +3199,10 @@ yl_speak_up.input_talk = function(player, formname, fields)
             end -- end of loop over d_option.o_results
 
 	    -- if there is a trade associated with this dialog and option, show that trade now
-	    local trade_id = tostring(d_id).." "..tostring(o_id)
+	    local trade_id = tostring(d_id).." "..tostring(o)
 	    if(dialog.trades and dialog.trades[ trade_id ]) then
 		-- remember which option was selected
-		yl_speak_up.speak_to[pname].o_id = o_id
+		yl_speak_up.speak_to[pname].o_id = o
 		-- which dialog shall be shown in case of a successful trade?
 		yl_speak_up.speak_to[pname].target_d_id = target_dialog
 		-- show the trade dialog