diff --git a/src/main/kotlin/one/oktw/galaxy/Main.kt b/src/main/kotlin/one/oktw/galaxy/Main.kt
index d5c7ec434..df07201f1 100644
--- a/src/main/kotlin/one/oktw/galaxy/Main.kt
+++ b/src/main/kotlin/one/oktw/galaxy/Main.kt
@@ -86,7 +86,11 @@ class Main : DedicatedServerModInitializer, CoroutineScope {
             eventManager = EventManager(server)
 
             // Register Proxy packet receiver
+            // For Sending Packet to Proxy
             PayloadTypeRegistry.playC2S().register(ProxyAPIPayload.ID, ProxyAPIPayload.CODEC)
+            // For Receiving Packet to Proxy
+            PayloadTypeRegistry.playS2C().register(ProxyAPIPayload.ID, ProxyAPIPayload.CODEC)
+            // Register Event
             ServerPlayNetworking.registerGlobalReceiver(ProxyAPIPayload.ID) { payload, context ->
                 eventManager.emit(ProxyResponseEvent(context.player(), payload.packet))
             }