diff --git a/ui/src/views/Forecast.jsx b/ui/src/views/Forecast.jsx
index 2d37821..778266a 100644
--- a/ui/src/views/Forecast.jsx
+++ b/ui/src/views/Forecast.jsx
@@ -1069,7 +1069,11 @@ export default function Forecast({ sources = [], sourceId, versions = [], versio
       grid.resetAutoSize()
       await grid.draw({ invalid_columns: true })
 
-      await fitRowLabels(grid)
+      // Row labels are deliberately left at their default width. Each group_by
+      // level is its own column, so fitting the first to its longest label pushes
+      // the second to start after it, and the default spacing reads better than
+      // the fitted one. fitRowLabels below still does it, one call away, if that
+      // judgement changes.
 
       // Widths are not part of ViewConfig, so persist the layout to keep the
       // saved copy in step with what is on screen.