diff --git a/Source/Core/DolphinQt/InfinityBase/InfinityBaseWindow.h b/Source/Core/DolphinQt/InfinityBase/InfinityBaseWindow.h
index bdb9c41501..62b2b1c7fa 100644
--- a/Source/Core/DolphinQt/InfinityBase/InfinityBaseWindow.h
+++ b/Source/Core/DolphinQt/InfinityBase/InfinityBaseWindow.h
@@ -1,6 +1,8 @@
 // Copyright 2023 Dolphin Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#pragma once
+
 #include <array>
 #include <string>