From 125b7c2fd87a2110223ff95d0dc7962aa079f4c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Edvard=20Falksk=C3=A4r?=
 <457523+edvard-falkskar@users.noreply.github.com>
Date: Thu, 17 Oct 2024 21:00:03 +0200
Subject: [PATCH] Histogram: Fix field displayName cache (#94685)

---
 public/app/plugins/panel/histogram/HistogramPanel.tsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/public/app/plugins/panel/histogram/HistogramPanel.tsx b/public/app/plugins/panel/histogram/HistogramPanel.tsx
index 9786531c552..2c2805069a8 100644
--- a/public/app/plugins/panel/histogram/HistogramPanel.tsx
+++ b/public/app/plugins/panel/histogram/HistogramPanel.tsx
@@ -1,6 +1,6 @@
 import { useMemo } from 'react';
 
-import { PanelProps, buildHistogram, getHistogramFields } from '@grafana/data';
+import { PanelProps, buildHistogram, cacheFieldDisplayNames, getHistogramFields } from '@grafana/data';
 import { histogramFieldsToFrame } from '@grafana/data/src/transformations/transformers/histogram';
 import { TooltipDisplayMode, TooltipPlugin2, useTheme2 } from '@grafana/ui';
 import { TooltipHoverMode } from '@grafana/ui/src/components/uPlot/plugins/TooltipPlugin2';
@@ -32,6 +32,8 @@ export const HistogramPanel = ({ data, options, width, height }: Props) => {
       });
     });
 
+    cacheFieldDisplayNames(data.series);
+
     if (data.series.length === 1) {
       const info = getHistogramFields(data.series[0]);
       if (info) {