diff --git a/src/Avatar.php b/src/Avatar.php
index 45d27bb..f468785 100644
--- a/src/Avatar.php
+++ b/src/Avatar.php
@@ -416,7 +416,7 @@ protected function getRandomElement($array, $default)
         $array = array_values($array);
 
         $name = $this->name;
-        if (strlen($name) === 0) {
+        if ($name === null || strlen($name) === 0) {
             $name = chr(rand(65, 90));
         }