diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/PhpFrameworkExtensionTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/PhpFrameworkExtensionTest.php
index eae45736186b3..e5cc8522aafb4 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/PhpFrameworkExtensionTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/PhpFrameworkExtensionTest.php
@@ -267,7 +267,7 @@ public function testValidatorEmailValidationMode(string $mode)
         });
     }
 
-    public function emailValidationModeProvider()
+    public static function emailValidationModeProvider()
     {
         foreach (Email::VALIDATION_MODES as $mode) {
             yield [$mode];