diff --git a/src/main/java/net/minestom/server/entity/Player.java b/src/main/java/net/minestom/server/entity/Player.java
index 2bd400e02..d0350d542 100644
--- a/src/main/java/net/minestom/server/entity/Player.java
+++ b/src/main/java/net/minestom/server/entity/Player.java
@@ -1787,13 +1787,13 @@ public class Player extends LivingEntity implements CommandSender, Localizable,
     protected void refreshAbilities() {
         byte flags = 0;
         if (invulnerable)
-            flags |= 0x01;
+            flags |= PlayerAbilitiesPacket.FLAG_INVULNERABLE;
         if (flying)
-            flags |= 0x02;
+            flags |= PlayerAbilitiesPacket.FLAG_FLYING;
         if (allowFlying)
-            flags |= 0x04;
+            flags |= PlayerAbilitiesPacket.FLAG_ALLOW_FLYING;
         if (instantBreak)
-            flags |= 0x08;
+            flags |= PlayerAbilitiesPacket.FLAG_INSTANT_BREAK;
         playerConnection.sendPacket(new PlayerAbilitiesPacket(flags, flyingSpeed, fieldViewModifier));
     }
 
diff --git a/src/main/java/net/minestom/server/network/packet/server/play/PlayerAbilitiesPacket.java b/src/main/java/net/minestom/server/network/packet/server/play/PlayerAbilitiesPacket.java
index 23b2d278e..4035c86ad 100644
--- a/src/main/java/net/minestom/server/network/packet/server/play/PlayerAbilitiesPacket.java
+++ b/src/main/java/net/minestom/server/network/packet/server/play/PlayerAbilitiesPacket.java
@@ -7,6 +7,10 @@ import net.minestom.server.utils.binary.BinaryWriter;
 import org.jetbrains.annotations.NotNull;
 
 public class PlayerAbilitiesPacket implements ServerPacket {
+    public static final byte FLAG_INVULNERABLE  = 0x01;
+    public static final byte FLAG_FLYING        = 0x02;
+    public static final byte FLAG_ALLOW_FLYING  = 0x04;
+    public static final byte FLAG_INSTANT_BREAK = 0x08;
 
     public byte flags;
     public float flyingSpeed;