diff --git a/app/tests/TestCase.php b/app/tests/TestCase.php
index a51a75fd..aab94da6 100644
--- a/app/tests/TestCase.php
+++ b/app/tests/TestCase.php
@@ -42,6 +42,7 @@ public function setUp(): void
         $this->resetSqliteDatabase();
 
         $this->client = static::createClient();
+        $this->client->useHtml5Parser(false); // Not necessary, otherwise we'd need to install masterminds/html5
         $this->client->setServerParameter('REMOTE_ADDR', self::DEFAULT_IP_ADDRESS);
         $this->followRedirects(true);