diff --git a/lib/origin/forwardable.rb b/lib/origin/forwardable.rb
index d1a6fcd..9f65a6f 100644
--- a/lib/origin/forwardable.rb
+++ b/lib/origin/forwardable.rb
@@ -44,13 +44,13 @@ def select_with(receiver)
     # @since 1.0.0
     def __forward__(name, receiver)
       if self.class == Module
-        module_eval <<-SEL
+        module_eval <<-SEL, __FILE__, __LINE__.succ
           def #{name}(*args, &block)
             #{receiver}.__send__(:#{name}, *args, &block)
           end
         SEL
       else
-        (class << self; self; end).class_eval <<-SEL
+        (class << self; self; end).class_eval <<-SEL, __FILE__, __LINE__.succ
           def #{name}(*args, &block)
             #{receiver}.__send__(:#{name}, *args, &block)
           end