diff --git a/ui/src/views/Forecast.jsx b/ui/src/views/Forecast.jsx
index 76e2b00..7557f59 100644
--- a/ui/src/views/Forecast.jsx
+++ b/ui/src/views/Forecast.jsx
@@ -238,11 +238,14 @@ export default function Forecast({ sourceId, versionId }) {
         await viewer.restore(cfg)
         if (cfg.expand_depth != null) await applyDepth(cfg.expand_depth)
       } else {
-        const dims    = meta.filter(c => c.role === 'dimension').map(c => c.cname)
-        const dateCol = meta.find(c => c.role === 'date')?.cname
-        const cfg = { table: tableName, settings: false, plugin_config: { edit_mode: 'SELECT_REGION' } }
-        if (dims.length)  cfg.group_by  = dims.slice(0, 2)
-        if (dateCol)      cfg.split_by  = [dateCol]
+        const valueCol = meta.find(c => c.role === 'value')?.cname
+        const cfg = {
+          table: tableName,
+          settings: false,
+          group_by: ['pf_iter'],
+          columns: valueCol ? [valueCol] : [],
+          plugin_config: { edit_mode: 'SELECT_REGION' }
+        }
         await viewer.restore(cfg)
       }