1 files changed, 4 insertions, 4 deletions
diff --git a/spec/ruby/core/io/write_nonblock_spec.rb b/spec/ruby/core/io/write_nonblock_spec.rb
index 5bfc690f9b..a6bd43c058 100644
--- a/spec/ruby/core/io/write_nonblock_spec.rb
+++ b/spec/ruby/core/io/write_nonblock_spec.rb
@@ -44,7 +44,7 @@ platform_is_not :windows do
     it "checks if the file is writable if writing zero bytes" do
       -> {
         @readonly_file.write_nonblock("")
-      }.should raise_error(IOError)
+      }.should.raise(IOError)
     end
   end
 
@@ -67,12 +67,12 @@ describe 'IO#write_nonblock' do
   it "raises an exception extending IO::WaitWritable when the write would block" do
     -> {
       loop { @write.write_nonblock('a' * 10_000) }
-    }.should raise_error(IO::WaitWritable) { |e|
+    }.should.raise(IO::WaitWritable) { |e|
       platform_is_not :windows do
-        e.should be_kind_of(Errno::EAGAIN)
+        e.should.is_a?(Errno::EAGAIN)
       end
       platform_is :windows do
-        e.should be_kind_of(Errno::EWOULDBLOCK)
+        e.should.is_a?(Errno::EWOULDBLOCK)
       end
     }
   end