diff --git a/debugger.lua b/debugger.lua
index 8d638e3..2bc63fb 100644
--- a/debugger.lua
+++ b/debugger.lua
@@ -3,6 +3,7 @@ local function copyObject(o)
   for k,v in pairs(o) do
     obj[k] = v
   end
+  setmetatable(obj, getmetatable(o))
   return obj
 end
 
@@ -13,9 +14,12 @@ local function execDebug(env)
     return false, result[2]
   end
 
-  local func = load(result[2], "debug", "bt", env)
+  local func = load("return " .. result[2], "debug", "bt", env)
   if type(func) ~= "function" then
-    return false, func
+    func = load(result[2], "debug", "bt", env)
+    if type(func) ~= "function" then
+      return false, func
+    end
   end
 
   return pcall(func)