diff --git a/locomotive/api/oui_v3.py b/locomotive/api/oui_v3.py
index 3416ac5..4c6b6de 100644
--- a/locomotive/api/oui_v3.py
+++ b/locomotive/api/oui_v3.py
@@ -60,7 +60,7 @@ def request(self, json: dict) -> Any:
         self.logger.debug(res.request.body)
         self.logger.debug(res.content)
 
-        if res.status_code == 404:
+        if res.status_code == 404 or "error" in res.json():
             # {"code":"ERR-0102","label":"empty travel result"}
             return {"journeys": []}