diff --git a/src/shared/install.h b/src/shared/install.h
index 305e4f74b8..948faa0ca7 100644
--- a/src/shared/install.h
+++ b/src/shared/install.h
@@ -1,6 +1,8 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 #pragma once
 
+#include <stdbool.h>
+
 typedef enum UnitFilePresetMode UnitFilePresetMode;
 typedef enum UnitFileChangeType UnitFileChangeType;
 typedef enum UnitFileFlags UnitFileFlags;
@@ -9,8 +11,6 @@ typedef struct UnitFileChange UnitFileChange;
 typedef struct UnitFileList UnitFileList;
 typedef struct UnitFileInstallInfo UnitFileInstallInfo;
 
-#include <stdbool.h>
-
 #include "hashmap.h"
 #include "macro.h"
 #include "path-lookup.h"