diff --git a/src/sumo/wrapper/sumo_client.py b/src/sumo/wrapper/sumo_client.py
index b860d19..4f93981 100644
--- a/src/sumo/wrapper/sumo_client.py
+++ b/src/sumo/wrapper/sumo_client.py
@@ -118,7 +118,9 @@ def __init__(
         elif env == "localhost":
             self.base_url = "http://localhost:8084/api/v1"
         else:
-            self.base_url = f"https://main-sumo-{env}.radix.equinor.com/api/v1"
+            self.base_url = (
+                f"https://main-sumo-core-{env}.c3.radix.equinor.com/api/v1"
+            )
         return
 
     def __enter__(self):