diff --git a/lib/ostruct.rb b/lib/ostruct.rb index d806c70466..8bc0628ac4 100644 --- a/lib/ostruct.rb +++ b/lib/ostruct.rb @@ -30,7 +30,7 @@ class OpenStruct elsif args.length == 0 @table[mid] else - raise NoMethodError, "undefined method `#{mname}'", caller(1) + raise NoMethodError, "undefined method `#{mname}' for #{self}", caller(1) end end