diff --git a/tests/auto/corelib/ipc/ipctestcommon.h b/tests/auto/corelib/ipc/ipctestcommon.h
index 25c7b8ce440..2347031ad45 100644
--- a/tests/auto/corelib/ipc/ipctestcommon.h
+++ b/tests/auto/corelib/ipc/ipctestcommon.h
@@ -1,5 +1,7 @@
 // Copyright (C) 2022 Intel Corporation.
 
+#pragma once
+
 #include <QtTest/QTest>
 #include <QtCore/QNativeIpcKey>