1 files changed, 5 insertions, 5 deletions
diff --git a/spec/ruby/core/encoding/aliases_spec.rb b/spec/ruby/core/encoding/aliases_spec.rb
index 786157981a..12c6c6cf85 100644
--- a/spec/ruby/core/encoding/aliases_spec.rb
+++ b/spec/ruby/core/encoding/aliases_spec.rb
@@ -2,24 +2,24 @@ require_relative '../../spec_helper'
 
 describe "Encoding.aliases" do
   it "returns a Hash" do
-    Encoding.aliases.should be_an_instance_of(Hash)
+    Encoding.aliases.should.instance_of?(Hash)
   end
 
   it "has Strings as keys" do
     Encoding.aliases.keys.each do |key|
-      key.should be_an_instance_of(String)
+      key.should.instance_of?(String)
     end
   end
 
   it "has Strings as values" do
     Encoding.aliases.values.each do |value|
-      value.should be_an_instance_of(String)
+      value.should.instance_of?(String)
     end
   end
 
   it "has alias names as its keys" do
-    Encoding.aliases.key?('BINARY').should be_true
-    Encoding.aliases.key?('ASCII').should be_true
+    Encoding.aliases.key?('BINARY').should == true
+    Encoding.aliases.key?('ASCII').should == true
   end
 
   it "has the names of the aliased encoding as its values" do