diff --git a/buildscripts/03_my_updates.sh b/buildscripts/03_my_updates.sh
index 3d373c8..fa71d15 100755
--- a/buildscripts/03_my_updates.sh
+++ b/buildscripts/03_my_updates.sh
@@ -38,7 +38,7 @@ MOD_PATCH=( )	#patch names
 #MOD_PATCHES - all patches defined
 #MOD_PATCHES -  first is path and all patch names are separeted by ":"
 #MOD_PATCHES=("mobs/water_life:poison.patch" "buildings/doors:doors_update.patch" "player/3d_armor:mob_damage.patch" "player/hbsprint:no_damage.patch" "player/hunger_ng:effects.patch")
-MOD_PATCHES=("buildings/doors:doors_update.patch" "buildings/doors:doors_update54.patch" "buildings/ts_doors:ts_doors_update54.patch" "player/hbsprint:no_damage.patch" "mobs/mobs_mobkit/water_life:poison.patch" "mobs/mobs_mobkit/water_life:poison_hunger_ng.patch" "buildings/mg_villages:villages.patch" "player/fire_plus:extend_fire.patch" "mobs/mobs_mobs/advanced_npc:adv_npc_log.patch" "mobs/mobs_mobs/mg_villages_npc:bug66.patch")
+MOD_PATCHES=("buildings/doors:doors_update.patch" "buildings/doors:doors_update54.patch" "buildings/ts_doors:ts_doors_update54.patch" "player/hbsprint:no_damage.patch" "mobs/mobs_mobkit/water_life:poison.patch" "mobs/mobs_mobkit/water_life:poison_hunger_ng.patch" "buildings/mg_villages:villages.patch" "player/fire_plus:extend_fire.patch" "mobs/mobs_mobs/advanced_npc:adv_npc_log.patch" "mobs/mobs_mobs/advanced_npc:bugtrade184.patch" "mobs/mobs_mobs/mg_villages_npc:bug66.patch")
 #"mobs/mobs_mobs/goblins:goblins_nil.patch"
 
 #MOD_PATCHES=( )
diff --git a/mods/mobs/mobs_mobs/advanced_npc/trade/trade.lua b/mods/mobs/mobs_mobs/advanced_npc/trade/trade.lua
index 56b814f..6526b9b 100644
--- a/mods/mobs/mobs_mobs/advanced_npc/trade/trade.lua
+++ b/mods/mobs/mobs_mobs/advanced_npc/trade/trade.lua
@@ -173,7 +173,8 @@ function npc.trade.show_trade_offer_formspec(self, player, offer_type)
         prompt_string = " wants to sell to you"
         buy_sell_string = "Buy"
     end
-
+	
+	if trade_offer.item ~= nil then
     local formspec = "size[8,4]"..
             default.gui_bg..
             default.gui_bg_img..
@@ -192,6 +193,7 @@ function npc.trade.show_trade_offer_formspec(self, player, offer_type)
     }
     -- Show formspec to player
     minetest.show_formspec(player:get_player_name(), "advanced_npc:trade_offer", formspec)
+	end
 end