1 files changed, 2 insertions, 2 deletions
diff --git a/spec/ruby/core/array/rindex_spec.rb b/spec/ruby/core/array/rindex_spec.rb
index 13de88818c..858c39dc92 100644
--- a/spec/ruby/core/array/rindex_spec.rb
+++ b/spec/ruby/core/array/rindex_spec.rb
@@ -41,7 +41,7 @@ describe "Array#rindex" do
   it "properly handles empty recursive arrays" do
     empty = ArraySpecs.empty_recursive_array
     empty.rindex(empty).should == 0
-    empty.rindex(1).should be_nil
+    empty.rindex(1).should == nil
   end
 
   it "properly handles recursive arrays" do
@@ -86,7 +86,7 @@ describe "Array#rindex" do
   describe "given no argument and no block" do
     it "produces an Enumerator" do
       enum = [4, 2, 1, 5, 1, 3].rindex
-      enum.should be_an_instance_of(Enumerator)
+      enum.should.instance_of?(Enumerator)
       enum.each { |x| x < 2 }.should == 4
     end
   end