diff --git a/Userland/Libraries/LibMain/Main.h b/Userland/Libraries/LibMain/Main.h
index 0fce89a4a8..bc66c1aac3 100644
--- a/Userland/Libraries/LibMain/Main.h
+++ b/Userland/Libraries/LibMain/Main.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2022, the SerenityOS developers.
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -7,6 +8,8 @@
 #pragma once
 
 #include <AK/Error.h>
+#include <AK/Span.h>
+#include <AK/StringView.h>
 
 namespace Main {