diff --git a/test/NlsconfigTest.php b/test/NlsconfigTest.php
index 3dbebb9f..12e44f67 100644
--- a/test/NlsconfigTest.php
+++ b/test/NlsconfigTest.php
@@ -51,7 +51,7 @@ public function setUp(): void
         );
     }
 
-    public function providerForTestGet()
+    public static function providerForTestGet()
     {
         return [
             'languages' => [