diff --git a/modules/game_interface/widgets/uiitem.lua b/modules/game_interface/widgets/uiitem.lua
index bc5ea741..ee4b8775 100644
--- a/modules/game_interface/widgets/uiitem.lua
+++ b/modules/game_interface/widgets/uiitem.lua
@@ -20,15 +20,26 @@ function UIItem:onDragLeave(droppedWidget, mousePos)
 end
 
 function UIItem:onDrop(widget, mousePos)
-  if not self:canAcceptDrop(widget, mousePos) then return false end
+
+  if not self:canAcceptDrop(widget, mousePos) then
+	return false
+  end
 
   local item = widget.currentDragThing
-  if not item:isItem() then return false end
-
-  local toPos = self.position
+  if not item:isItem() then
+	return false
+  end
 
   local itemPos = item:getPosition()
-  if itemPos.x == toPos.x and itemPos.y == toPos.y and itemPos.z == toPos.z then return false end
+  local itemTile = item:getTile()
+  if itemPos.x ~= 65535 and not itemTile then
+    return false
+  end
+  
+  local toPos = self.position
+  if itemPos.x == toPos.x and itemPos.y == toPos.y and itemPos.z == toPos.z then
+	return false
+  end
 
   if item:getCount() > 1 then
     modules.game_interface.moveStackableItem(item, toPos)