diff --git a/pyzebra/app/panel_param_study.py b/pyzebra/app/panel_param_study.py
index 5eac58b..a94caac 100644
--- a/pyzebra/app/panel_param_study.py
+++ b/pyzebra/app/panel_param_study.py
@@ -527,6 +527,7 @@ def create():
         # also `old` and `new` are the same for non-scalars
         for scan, export in zip(det_data, new["export"]):
             scan["export"] = export
+        _update_overview()
         _update_preview()
 
     scan_table_source = ColumnDataSource(dict(file=[], scan=[], param=[], fit=[], export=[]))