diff --git a/src/openflexure_microscope_server/things/scan_workflows.py b/src/openflexure_microscope_server/things/scan_workflows.py
index 93a3d8bc..6ce8e42b 100644
--- a/src/openflexure_microscope_server/things/scan_workflows.py
+++ b/src/openflexure_microscope_server/things/scan_workflows.py
@@ -44,6 +44,7 @@ from openflexure_microscope_server.ui import (
     UI_ELEMENT_RESPONSE,
     Accordion,
     HeaderBlock,
+    PropertyControl,
     TextBlock,
     UIElementList,
     action_button_for,