1 files changed, 1 insertions, 1 deletions
diff --git a/spec/ruby/library/socket/unixserver/initialize_spec.rb b/spec/ruby/library/socket/unixserver/initialize_spec.rb
index cb186ceb76..0cc49ef1eb 100644
--- a/spec/ruby/library/socket/unixserver/initialize_spec.rb
+++ b/spec/ruby/library/socket/unixserver/initialize_spec.rb
@@ -22,7 +22,7 @@ with_feature :unix_socket do
     end
 
     it 'raises Errno::EADDRINUSE when the socket is already in use' do
-      lambda { UNIXServer.new(@path) }.should raise_error(Errno::EADDRINUSE)
+      -> { UNIXServer.new(@path) }.should raise_error(Errno::EADDRINUSE)
     end
   end
 end