diff --git a/src/packet/messages.rs b/src/packet/messages.rs
index 3ae4ff6..0a79e83 100644
--- a/src/packet/messages.rs
+++ b/src/packet/messages.rs
@@ -44,7 +44,7 @@ pub struct SymbolChat {
 pub struct MobAttack {
     enemy_id: u16,
     damage: u16,
-    flags: u16,
+    flags: [u8; 4],
 }
 
 #[pso_message(0x0B)]