diff --git a/src/datapilot/utils/utils.py b/src/datapilot/utils/utils.py
index 5f75ad5..fdbfa54 100644
--- a/src/datapilot/utils/utils.py
+++ b/src/datapilot/utils/utils.py
@@ -317,7 +317,7 @@ def map_url_to_instance(url, instance):
         "https://api.tryaltimate.com": f"https://{instance}.demo.tryaltimate.com",
         "https://api.myaltimate.com": f"https://{instance}.app.myaltimate.com",
         "https://api.getaltimate.com": f"https://{instance}.app.getaltimate.com",
-        "http://localhost:8000": "http://localhost:8000",
+        "http://localhost:8000": "http://{instance}.localhost:3000",
     }
 
     # Check if the URL is in the dictionary and return the corresponding instance URL