diff --git a/src/Models/TerminusModel.php b/src/Models/TerminusModel.php
index 9e5f80365..39b899bc0 100644
--- a/src/Models/TerminusModel.php
+++ b/src/Models/TerminusModel.php
@@ -106,7 +106,7 @@ public function getReferences()
      */
     public function getUrl()
     {
-        return str_replace('{id}', $this->id, $this->url);
+        return $this->id ? str_replace('{id}', $this->id, $this->url) : $this->url;
     }
 
     /**