diff --git a/spec/lib/matchers/include.rb b/spec/lib/matchers/include.rb
index 6bc3b36b0..35606a615 100644
--- a/spec/lib/matchers/include.rb
+++ b/spec/lib/matchers/include.rb
@@ -1,27 +1,27 @@
 module Matchers; module Include
   extend RSpec::Matchers::DSL
 
   matcher :include_in_any_order do |*matchers|
     match do |enumerable|
       @not_matched = []
-      expected.each do |matcher|
+      expected_as_array.each do |matcher|
         if enumerable.empty?
           break
         end
 
         if found = enumerable.find { |elem| matcher.matches?(elem) }
           enumerable = enumerable.reject { |elem| elem == found }
         else
           @not_matched << matcher
         end
       end
 
 
       @not_matched.empty? && enumerable.empty?
     end
 
     failure_message do |enumerable|
       "did not match #{@not_matched.collect(&:description).join(', ')} in #{enumerable.inspect}: <#{@not_matched.collect(&:failure_message).join('>, <')}>"
     end
   end
 end; end