diff --git a/src/packet/ship.rs b/src/packet/ship.rs
index 6abb2dd..e01463c 100644
--- a/src/packet/ship.rs
+++ b/src/packet/ship.rs
@@ -622,15 +622,15 @@ pub struct TradeConfirmed {
 pub struct CancelTrade {
 }
 
-#[pso_packet(0xD4)]
+#[pso_packet(0xD4, manual_flag)]
 pub struct TradeSuccessful {
-    success: u8,
+    flag: u32,
 }
 
 impl std::default::Default for TradeSuccessful {
     fn default() -> TradeSuccessful {
         TradeSuccessful {
-            success: 1,
+            flag: 1,
         }
     }
 }