diff --git a/src/server/game/Movement/Spline/MoveSplineInit.h b/src/server/game/Movement/Spline/MoveSplineInit.h
index 8f8653cbd57..e59edb99c90 100644
--- a/src/server/game/Movement/Spline/MoveSplineInit.h
+++ b/src/server/game/Movement/Spline/MoveSplineInit.h
@@ -19,6 +19,7 @@
 #define TRINITYSERVER_MOVESPLINEINIT_H
 
 #include "MoveSplineInitArgs.h"
+#include <variant>
 
 class ObjectGuid;
 class Unit;