lib/async/scheduler.rb in async-2.2.0 vs lib/async/scheduler.rb in async-2.2.1

@@ -158,10 +158,10 @@
 			return false
 		ensure
 			timer&.cancel
 		end
 
-		if IO::Event::Support.buffer?
+		if ::IO::Event::Support.buffer?
 			def io_read(io, buffer, length, offset = 0)
 				@selector.io_read(Fiber.current, io, buffer, length, offset)
 			end
 			
 			def io_write(io, buffer, length, offset = 0)