lib/ro/root.rb in ro-1.4.4 vs lib/ro/root.rb in ro-1.4.6

@@ -2,10 +2,10 @@
   class Root < ::String
     def initialize(root)
       super(Ro.realpath(root.to_s))
     ensure
       raise ArgumentError.new("root=#{ root.inspect }") if root.nil?
-      raise ArgumentError.new("root=#{ root.inspect }") unless test(?d, root)
+      raise ArgumentError.new("root=#{ root.inspect }") unless test(?d, self)
     end
 
     def root
       self
     end