diff --git a/src/aare/daq/config.py b/src/aare/daq/config.py
index 060fd155..2e903af3 100644
--- a/src/aare/daq/config.py
+++ b/src/aare/daq/config.py
@@ -91,6 +91,7 @@ class BeamlineConfig:
         redis (redis.Redis): Redis client instance used for interacting with the datastore.
     """
 
+    redis: Redis
     GUI_SESSION_EXPIRE_SECONDS = 60 * 10
 
     def __init__(self, bl: MXBeamline):
diff --git a/tests/unit/daq/test_tellupdater.py b/tests/unit/daq/test_tellupdater.py
index 894325c5..114fbd6d 100644
--- a/tests/unit/daq/test_tellupdater.py
+++ b/tests/unit/daq/test_tellupdater.py
@@ -1,7 +1,10 @@
 import json
 from unittest.mock import MagicMock, patch
 
+from aarecommon.config.beamline import MXBeamline
+
 from aare.daq import tellupdater
+from aare.daq.config import BeamlineConfig
 
 
 def test_compare_and_report_change():
@@ -107,14 +110,15 @@ def test_record_tell_event_writes_history_to_redis():
     tellupdater.latest_tell_events.clear()
     tellupdater.tell_event_history.clear()
 
-    mock_config = MagicMock()
+    mock_config = MagicMock(spec=BeamlineConfig)
+    mock_config.redis = MagicMock()
     mock_config._bl = "x10sa"
 
     with patch("aare.daq.tellupdater.config", mock_config):
         tellupdater.record_tell_event("Motion Task", "dry")
 
-    mock_config._client.set.assert_called_once()
-    redis_key, redis_value = mock_config._client.set.call_args.args
+    mock_config.redis.set.assert_called_once()
+    redis_key, redis_value = mock_config.redis.set.call_args.args
     assert redis_key == "x10sa:tell_events"
 
     payload = json.loads(redis_value)
@@ -135,7 +139,7 @@ def test_record_tell_event_keeps_last_25_events():
         for idx in range(30):
             tellupdater.record_tell_event("Motion Sync", f"event-{idx}")
 
-    redis_key, redis_value = mock_config._client.set.call_args.args
+    redis_key, redis_value = mock_config.redis.set.call_args.args
     assert redis_key == "x10sa:tell_events"
 
     payload = json.loads(redis_value)