diff --git a/storage/itemstack.lua b/storage/itemstack.lua
index 3401d36..8ea6665 100644
--- a/storage/itemstack.lua
+++ b/storage/itemstack.lua
@@ -199,25 +199,27 @@ function ItemStack:transferTo(target, count)
     return count == 0, 0
   end
 
-  local result, xfer = pcall(self:getInventory().pushItems, peripheral.getName(target:getInventory()), self:getSlot(), cap, target:getSlot())
+  local result = { pcall(self:getInventory().pushItems, peripheral.getName(target:getInventory()), self:getSlot(), cap, target:getSlot()) }
 
-  if not result then
-    return false, xfer
+  if not result[1] then
+    return false, result[2]
   end
 
-  if xfer == nil then
+  if result[2] == nil then
     Logger:error(
       "Error transferring item", self:getInventory().pushItems, Logger.plain("\n"),
       peripheral.getName(target:getInventory()), Logger.plain("\n"),
-      self:getSlot(), cap, Logger.plain("\n"),
-      target
+      cap, Logger.plain("\n"),
+      self, Logger.plain("\n"),
+      target, Logger.plain("\n"),
+      result
     )
   end
 
-  target:_modify(xfer, self)
-  self:_modify(-xfer, self)
+  target:_modify(result[2], self)
+  self:_modify(-result[2], self)
 
-  return xfer == count, xfer
+  return result[2] == count, result[2]
 end
 
 local function objEquals(o1, o2)