diff --git a/apps/settings/tests/AppInfo/ApplicationTest.php b/apps/settings/tests/AppInfo/ApplicationTest.php
index 3479f31f4561d..69f343fbfbe74 100644
--- a/apps/settings/tests/AppInfo/ApplicationTest.php
+++ b/apps/settings/tests/AppInfo/ApplicationTest.php
@@ -59,4 +59,14 @@ public static function dataContainerQuery(): array {
 	public function testContainerQuery(string $service, string $expected): void {
 		$this->assertTrue($this->container->get($service) instanceof $expected);
 	}
+
+	public function testMiddlewareDispatcherIncludesSubadminMiddleware(): void {
+		$middlewares = $this->container->get('MiddlewareDispatcher')->getMiddlewares();
+		foreach ($middlewares as $middleware) {
+			if ($middleware instanceof SubadminMiddleware) {
+				return;
+			}
+		}
+		self::fail('Middleware dispatcher must include SubadminMiddleware');
+	}
 }