1 files changed, 3 insertions, 3 deletions
diff --git a/spec/ruby/core/io/stat_spec.rb b/spec/ruby/core/io/stat_spec.rb
index 717c45d0a3..f9fc232ee0 100644
--- a/spec/ruby/core/io/stat_spec.rb
+++ b/spec/ruby/core/io/stat_spec.rb
@@ -12,14 +12,14 @@ describe "IO#stat" do
   end
 
   it "raises IOError on closed stream" do
-    -> { IOSpecs.closed_io.stat }.should raise_error(IOError)
+    -> { IOSpecs.closed_io.stat }.should.raise(IOError)
   end
 
   it "returns a File::Stat object for the stream" do
-    STDOUT.stat.should be_an_instance_of(File::Stat)
+    STDOUT.stat.should.instance_of?(File::Stat)
   end
 
   it "can stat pipes" do
-    @io.stat.should be_an_instance_of(File::Stat)
+    @io.stat.should.instance_of?(File::Stat)
   end
 end