diff --git a/functions.lua b/functions.lua
index 55be52f..0f523b9 100644
--- a/functions.lua
+++ b/functions.lua
@@ -2917,6 +2917,10 @@ function yl_speak_up.talk(self, clicker)
     yl_speak_up.speak_to[pname].obj = self.object
 
     yl_speak_up.show_fs(clicker, "talk", {n_id = n_id})
+
+    if(not(dialog.trades)) then
+       dialog.trades = {}
+    end
 end
 
 -- ###