diff --git a/src/Knp/Bundle/KnpBundlesBundle/Entity/Owner.php b/src/Knp/Bundle/KnpBundlesBundle/Entity/Owner.php
index ae30197d..e4998d00 100644
--- a/src/Knp/Bundle/KnpBundlesBundle/Entity/Owner.php
+++ b/src/Knp/Bundle/KnpBundlesBundle/Entity/Owner.php
@@ -285,6 +285,16 @@ public function removeBundle(Bundle $bundle)
         $this->bundles->removeElement($bundle);
     }
 
+    /**
+     * Check that owner is using bundles
+     *
+     * @param Bundle $bundle
+     */
+    public function isUsingBundle(Bundle $bundle)
+    {
+        return $this->bundles->contains($bundle);
+    }
+
     /**
      * Get bundles
      *