1 files changed, 2 insertions, 2 deletions
diff --git a/spec/ruby/core/basicobject/initialize_spec.rb b/spec/ruby/core/basicobject/initialize_spec.rb
index b7ce73ffd5..09e86676b6 100644
--- a/spec/ruby/core/basicobject/initialize_spec.rb
+++ b/spec/ruby/core/basicobject/initialize_spec.rb
@@ -2,12 +2,12 @@ require_relative '../../spec_helper'
 
 describe "BasicObject#initialize" do
   it "is a private instance method" do
-    BasicObject.should have_private_instance_method(:initialize)
+    BasicObject.private_instance_methods(false).should.include?(:initialize)
   end
 
   it "does not accept arguments" do
     -> {
       BasicObject.new("This", "makes it easier", "to call super", "from other constructors")
-    }.should raise_error(ArgumentError)
+    }.should.raise(ArgumentError)
   end
 end