diff --git a/src/server/game/Movement/Spline/MovementPacketBuilder.h b/src/server/game/Movement/Spline/MovementPacketBuilder.h
index 3f89fecdd18..3643abd2eca 100644
--- a/src/server/game/Movement/Spline/MovementPacketBuilder.h
+++ b/src/server/game/Movement/Spline/MovementPacketBuilder.h
@@ -20,6 +20,8 @@
 #ifndef TRINITYSERVER_PACKET_BUILDER_H
 #define TRINITYSERVER_PACKET_BUILDER_H
 
+#include "Define.h"
+
 class ByteBuffer;
 namespace G3D
 {