diff --git a/controlpanel/api/models/app.py b/controlpanel/api/models/app.py
index 93140edef..b5365c80e 100644
--- a/controlpanel/api/models/app.py
+++ b/controlpanel/api/models/app.py
@@ -254,12 +254,13 @@ def auth0_client_name(self, env_name=None):
 
     def app_url_name(self, env_name):
         format_pattern = settings.APP_URL_NAME_PATTERN.get(env_name.upper())
+        namespace = self.namespace.removeprefix("data-platform-app-")
         if not format_pattern:
             format_pattern = settings.APP_URL_NAME_PATTERN.get(self.DEFAULT_SETTING_KEY_WORD)
         if format_pattern:
-            return format_pattern.format(app_name=self.namespace, env=env_name)
+            return format_pattern.format(app_name=namespace, env=env_name)
         else:
-            return self.namespace
+            return namespace
 
     def get_auth_client(self, env_name):
         env_name = env_name or self.DEFAULT_AUTH_CATEGORY
diff --git a/tests/api/models/test_app.py b/tests/api/models/test_app.py
index 39277aea6..58d5e8d8c 100644
--- a/tests/api/models/test_app.py
+++ b/tests/api/models/test_app.py
@@ -209,3 +209,16 @@ def test_app_allowed_ip_ranges():
 def test_iam_role_arn():
     app = App(slug="example-app")
     assert app.iam_role_arn == f"arn:aws:iam::{settings.AWS_DATA_ACCOUNT_ID}:role/test_app_example-app"
+
+
+@pytest.mark.parametrize("namespace, env, expected", [
+    ("data-platform-app-example", "dev", "example-dev"),
+    ("example", "dev", "example-dev"),
+    ("data-platform-example", "dev", "data-platform-example-dev"),
+    ("data-platform-app-example", "prod", "example"),
+    ("example", "prod", "example"),
+    ("data-platform-example", "prod", "data-platform-example"),
+])
+def test_app_url_name(namespace, env, expected):
+    app = App(namespace=namespace)
+    assert app.app_url_name(env_name=env) == expected