diff --git a/tests/Unit/Util/BasePathTest.php b/tests/Unit/Util/BasePathTest.php
index e969f963af..10eb9e8e7a 100644
--- a/tests/Unit/Util/BasePathTest.php
+++ b/tests/Unit/Util/BasePathTest.php
@@ -5,6 +5,8 @@
 //
 // SPDX-License-Identifier: AGPL-3.0-or-later
 
+declare(strict_types = 1);
+
 namespace Friendica\Test\Unit\Util;
 
 use Friendica\Util\BasePath;
diff --git a/tests/Unit/Util/CryptoTest.php b/tests/Unit/Util/CryptoTest.php
index 1e728746f2..9dbffb29b4 100644
--- a/tests/Unit/Util/CryptoTest.php
+++ b/tests/Unit/Util/CryptoTest.php
@@ -5,6 +5,8 @@
 //
 // SPDX-License-Identifier: AGPL-3.0-or-later
 
+declare(strict_types = 1);
+
 namespace Friendica\Test\Unit\Util;
 
 use Friendica\Util\Crypto;