diff --git a/func.lua b/func.lua
index 3200206..61e8b0e 100644
--- a/func.lua
+++ b/func.lua
@@ -101,7 +101,7 @@ end
 
 --+ Calls func using the provided arguments, deepcopies all arguments
 function call_by_value(func, ...)
-	return func(unpack(modlib.table.deepcopy{...}))
+	return func(unpack(modlib.table.deepcopy{...}, 1, select("#", ...)))
 end
 
 -- Functional wrappers for Lua's builtin metatable operators (arithmetic, concatenation, length, comparison, indexing, call)