diff --git a/src/aare/gui/threads/daq_worker.py b/src/aare/gui/threads/daq_worker.py
index 619d6cec..c0c68f1d 100644
--- a/src/aare/gui/threads/daq_worker.py
+++ b/src/aare/gui/threads/daq_worker.py
@@ -267,13 +267,17 @@ class DAQWorker(QObject):
             smargon_err = getattr(parsed_response, "smargon_error", None)
             tell_conn = bool(getattr(parsed_response, "tell_connected", True))
             tell_err = getattr(parsed_response, "tell_error", None)
-            tell_err_text = None if tell_err is None else str(tell_err).strip()
+            aerotech_conn = bool(getattr(parsed_response, "aerotech_connected", True))
+            aerotech_err = getattr(parsed_response, "aerotech_error", None)
 
+            tell_err_text = None if tell_err is None else str(tell_err).strip()
+            smargon_err_text = None if smargon_err is None else str(smargon_err).strip()
+            aerotech_err_text = None if aerotech_err is None else str(aerotech_err).strip()
 
             tell_changed = (
-                    self._last_tell_connected is None
-                    or self._last_tell_connected != tell_conn
-                    or self._last_tell_error != tell_err_text
+                self._last_tell_connected is None
+                or self._last_tell_connected != tell_conn
+                or self._last_tell_error != tell_err_text
             )
             smargon_changed = (
                 self._last_smargon_connected is None