diff --git a/src/Symfony/Bridge/PhpUnit/Legacy/PolyfillAssertTrait.php b/src/Symfony/Bridge/PhpUnit/Legacy/PolyfillAssertTrait.php
index 6b4941d542..1f05bbe584 100644
--- a/src/Symfony/Bridge/PhpUnit/Legacy/PolyfillAssertTrait.php
+++ b/src/Symfony/Bridge/PhpUnit/Legacy/PolyfillAssertTrait.php
@@ -554,6 +554,6 @@ trait PolyfillAssertTrait
      */
     public static function assertDoesNotMatchRegularExpression($pattern, $string, $message = '')
     {
-        static::assertNotRegExp($message, $string, $message);
+        static::assertNotRegExp($pattern, $string, $message);
     }
 }