diff --git a/src/machine/machine-forward.h b/src/machine/machine-forward.h
index 81c3370392..e01550b25b 100644
--- a/src/machine/machine-forward.h
+++ b/src/machine/machine-forward.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 #pragma once
 
-#include "forward.h" // IWYU pragma: export
+#include "forward.h" /* IWYU pragma: export */
 
 typedef struct Machine Machine;
 typedef struct Manager Manager;