diff --git a/Anticheat/src/main/java/dev/brighten/ac/data/APlayer.java b/Anticheat/src/main/java/dev/brighten/ac/data/APlayer.java
index 6bd7637..a45dfb2 100644
--- a/Anticheat/src/main/java/dev/brighten/ac/data/APlayer.java
+++ b/Anticheat/src/main/java/dev/brighten/ac/data/APlayer.java
@@ -113,6 +113,8 @@ public class APlayer {
     @Setter
     @Getter
     private boolean sendingPackets;
+    @Getter
+    private boolean initialized = false;
 
     public APlayer(Player player) {
         this.bukkitPlayer = player;
@@ -201,6 +203,7 @@ public class APlayer {
                     return new Block();
                 }
             }, playerVersion.getVersion());
+            initialized = true;
         });
 
         // Removing inventory achievement
diff --git a/Anticheat/src/main/java/dev/brighten/ac/listener/JoinListener.java b/Anticheat/src/main/java/dev/brighten/ac/listener/JoinListener.java
index 0c99215..f770260 100644
--- a/Anticheat/src/main/java/dev/brighten/ac/listener/JoinListener.java
+++ b/Anticheat/src/main/java/dev/brighten/ac/listener/JoinListener.java
@@ -24,6 +24,9 @@ public class JoinListener implements Listener {
                     .getPlayer(event.getPlayer().getUniqueId());
 
             aplayer.ifPresent(player -> {
+                if(!player.isInitialized()) {
+                    return;
+                }
                 if(Anticheat.INSTANCE.getPacketHandler()
                         .process(player, event.getType(), event.getPacket())) {
                     event.setCancelled(true);
diff --git a/Compat/src/main/java/dev/brighten/ac/packet/ProtocolVersion.java b/Compat/src/main/java/dev/brighten/ac/packet/ProtocolVersion.java
index b2546a4..efd80e1 100644
--- a/Compat/src/main/java/dev/brighten/ac/packet/ProtocolVersion.java
+++ b/Compat/src/main/java/dev/brighten/ac/packet/ProtocolVersion.java
@@ -55,6 +55,15 @@ public enum ProtocolVersion {
     V1_19(759, "v1_19_R1"),
 
     v1_19_1(760, "v1_19_R1"),
+    v_1_19_3(761, "v1_19_R1"),
+    v_1_19_4(762, "v1_19_R4"),
+    v_1_20_1(763, "v1_20_R1"),
+    v_1_20_2(764, "v1_20_R1"),
+    v_1_20_3(765, "v1_20_R1"),
+    v_1_20_5(766, "v1_20_R1"),
+    v_1_21_1(767, "v1_21_R1"),
+    v_1_21_2(768, "v1_21_R1"),
+    v_1_21_4(769, "v1_21_R1"),
 
     UNKNOWN(-1, "UNKNOWN");