diff --git a/tests/test_challenger_m2.py b/tests/test_challenger_m2.py
index 0babd18..b66ac1d 100644
--- a/tests/test_challenger_m2.py
+++ b/tests/test_challenger_m2.py
@@ -124,7 +124,7 @@ d['herdr_sessions'] = [{{
     'name': '{session_name}',
     'status': 'running',
     'role': 'Creator',
-    'herdr_session': 'my-custom-workspace',
+    'herdr_server': 'my-custom-workspace',
     'pane': {{
         'cwd': 'WS_PLACEHOLDER',
         'pid': 7777,