1 files changed, 2 insertions, 2 deletions
diff --git a/spec/ruby/core/string/allocate_spec.rb b/spec/ruby/core/string/allocate_spec.rb
index 5b36b4fd05..00dadaf076 100644
--- a/spec/ruby/core/string/allocate_spec.rb
+++ b/spec/ruby/core/string/allocate_spec.rb
@@ -3,7 +3,7 @@ require_relative '../../spec_helper'
 describe "String.allocate" do
   it "returns an instance of String" do
     str = String.allocate
-    str.should be_an_instance_of(String)
+    str.should.instance_of?(String)
   end
 
   it "returns a fully-formed String" do
@@ -14,6 +14,6 @@ describe "String.allocate" do
   end
 
   it "returns a binary String" do
-    String.new.encoding.should == Encoding::BINARY
+    String.allocate.encoding.should == Encoding::BINARY
   end
 end