--- a/net/server_epoll.lua	Mon Aug 22 17:22:34 2016 +0200
+++ b/net/server_epoll.lua	Tue Aug 23 19:23:26 2016 +0200
@@ -502,7 +502,7 @@
 		if self.conn:dirty() then
 			self:onreadable();
 		end
-		return self:setflags(true);
+		self:setflags(true);
 	end);
 end