diff --git a/src/aare/daq/workflows.py b/src/aare/daq/workflows.py
index e4a0d797..1bb8e409 100644
--- a/src/aare/daq/workflows.py
+++ b/src/aare/daq/workflows.py
@@ -15,7 +15,7 @@ SAFE_POSITION = 600
 
 def _move_detector_to_safe_position_if_needed(devs: BeamlineDevices, cfg: BeamlineConfig):
     safe_position = cfg.dtz_safe_position
-    current_dtz = cfg.dtz
+    current_dtz = devs.dtz
 
     if safe_position is None:
         logger.debug("No dtz_safe_position configured; skipping detector move")