diff --git a/fs_talkdialog.lua b/fs_talkdialog.lua
index f43bcd7..cbbea61 100644
--- a/fs_talkdialog.lua
+++ b/fs_talkdialog.lua
@@ -893,8 +893,8 @@ yl_speak_up.get_fs_talkdialog = function(player, n_id, d_id, alternate_text, rec
 
 
 	-- add a Let's trade button to the first dialog if the NPC has trades
+	local has_trades = nil
 	if(is_a_start_dialog and dialog.trades) then
-		local has_trades = nil
 		for k, v in pairs(dialog.trades) do
 			-- has the NPC any *public* trades that are not effects/results?
 			if(not(v.hide) and not(v.d_id)) then
@@ -902,6 +902,8 @@ yl_speak_up.get_fs_talkdialog = function(player, n_id, d_id, alternate_text, rec
 				break
 			end
 		end
+	end
+	if(has_trades) then
 		h = yl_speak_up.add_edit_button_fs_talkdialog(formspec, h,
 			"show_trade_list",
 			"Show a list of trades the NPC has to offer.",