diff --git a/protoListeners.go b/protoListeners.go
index 5b0ff2d6..d9c45bb0 100644
--- a/protoListeners.go
+++ b/protoListeners.go
@@ -29,6 +29,6 @@ func getProtoListenersArgs(p *Proxy) []protoListenerArgs {
 			p.ShadowsocksMultiplexAddr,
 			p.wrapMultiplexing(p.listenShadowsocks),
 		},
-		{"water", p.WaterAddr, p.listenWATER},
+		{"water", p.WaterAddr, p.wrapMultiplexing(p.listenWATER)},
 	}
 }