diff --git a/tests/functional/acp_main_test.php b/tests/functional/acp_main_test.php
new file mode 100644
index 0000000000..d392102e1a
--- /dev/null
+++ b/tests/functional/acp_main_test.php
@@ -0,0 +1,31 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+/**
+* @group functional
+*/
+class phpbb_functional_acp_main_test extends phpbb_functional_test_case
+{
+	public function test_acp_database_size()
+	{
+		$this->add_lang(['acp/common', 'acp/board']);
+		$this->login();
+		$this->admin_login();
+
+		$crawler = self::request('GET', 'adm/index.php?sid=' . $this->sid);
+		$this->assertContainsLang('WELCOME_PHPBB', $this->get_content());
+		$this->assertContainsLang('ADMIN_INTRO', $this->get_content());
+		$this->assertContainsLang('DATABASE_SIZE', $crawler->filter('tbody > tr')->eq(2)->filter('td[class="tabled"]')->eq(0)->text());
+		$this->assertNotContainsLang('NOT_AVAILABLE', $crawler->filter('tbody > tr')->eq(2)->filter('td[class="tabled"]')->eq(1)->text());
+	}
+}