diff --git a/Form/MandangoTypeGuesser.php b/Form/MandangoTypeGuesser.php
index 74b7147..5f1c2da 100644
--- a/Form/MandangoTypeGuesser.php
+++ b/Form/MandangoTypeGuesser.php
@@ -104,4 +104,11 @@ public function guessMaxLength($class, $property)
     public function guessMinLength($class, $property)
     {
     }
+
+    /**
+     * @inheritdoc
+     */
+    public function guessPattern($class, $property)
+    {
+    }
 }