                 vEncoding ?= 'utf8'
                 @encoding = vEncoding
               else
-                @encoding = null
+                @encoding = undefined
               @_contents = result
               @skipSize = aOptions.skipSize if @skipSize isnt aOptions.skipSize
             done.call @, err, result

          vEncoding ?= 'utf8'
          @encoding = vEncoding
        else
          @encoding = null
        @skipSize = aOptions.skipSize if @skipSize isnt aOptions.skipSize
        @_contents = result
    else

            vEncoding ?= 'utf8'
            @encoding = vEncoding
          else
            @encoding = undefined
          @_contents = @_loadContentSync(aOptions)
        else
          ### !pragma coverage-skip-next ###
