diff --git a/module/VuFind/src/VuFindTest/Feature/LiveDatabaseTrait.php b/module/VuFind/src/VuFindTest/Feature/LiveDatabaseTrait.php
index b099ee83d06..909bd7aea78 100644
--- a/module/VuFind/src/VuFindTest/Feature/LiveDatabaseTrait.php
+++ b/module/VuFind/src/VuFindTest/Feature/LiveDatabaseTrait.php
@@ -109,7 +109,7 @@ protected function addDoctrineDependenciesToContainer($container): void
         $options['cache_dir']
             = LOCAL_CACHE_DIR . '/' . $options['cache_dir'] . '_testmode';
         if (!is_dir($options['cache_dir'])) {
-            mkdir($options['cache_dir'], 0777, true);
+            mkdir($options['cache_dir'], 0o777, true);
         }
         $cacheAdapter = new \Laminas\Cache\Storage\Adapter\Filesystem($options);
         $cacheAdapter->addPlugin(new \Laminas\Cache\Storage\Plugin\Serializer());
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Service/FeedbackServiceTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Service/FeedbackServiceTest.php
index 5ecdaf6297e..fc9246230e8 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Service/FeedbackServiceTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Db/Service/FeedbackServiceTest.php
@@ -137,7 +137,7 @@ public function testUpdateColumn(): void
      *
      * @return array
      */
-    public function pageProvider(): array
+    public static function pageProvider(): array
     {
         return ['Test1' => [1],
                 'Test2' => [null],