diff --git a/proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/ServerLogin.java b/proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/ServerLogin.java
index 9b0c0f79..a948b34c 100644
--- a/proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/ServerLogin.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/ServerLogin.java
@@ -40,6 +40,7 @@ public class ServerLogin implements MinecraftPacket {
 
   public ServerLogin(String username, @Nullable IdentifiedKey playerKey) {
     this.username = Preconditions.checkNotNull(username, "username");
+    this.playerKey = playerKey;
   }
 
   public String getUsername() {