diff --git a/src/Entity/AbstractTokenEntity.php b/src/Entity/AbstractTokenEntity.php
index 94fd82a9..45140ad8 100644
--- a/src/Entity/AbstractTokenEntity.php
+++ b/src/Entity/AbstractTokenEntity.php
@@ -147,6 +147,19 @@ abstract class AbstractTokenEntity
         return $scopes;
     }
 
+    /**
+     * Returns the token as a string if the object is cast as a string
+     * @return string
+     */
+    public function __toString()
+    {
+        if (is_null($this->token)) {
+            throw new \BadMethodCallException('Token is null');
+        }
+
+        return $this->token;
+    }
+
     /**
      * Expire the token
      * @return void