From 8413e11f7778e206ec958fd9a28959bbfb8217f4 Mon Sep 17 00:00:00 2001
From: Jose C Quintas Jr <juniorquintas@gmail.com>
Date: Wed, 3 Jul 2024 15:34:36 +0200
Subject: [PATCH] [charts] Fix Axis Highlight on horizontal bar charts
 regression (#13717)

---
 .../x-charts/src/ChartsAxisHighlight/ChartsAxisHighlight.tsx    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/x-charts/src/ChartsAxisHighlight/ChartsAxisHighlight.tsx b/packages/x-charts/src/ChartsAxisHighlight/ChartsAxisHighlight.tsx
index ba52a0470815d..38f77bcc6b36d 100644
--- a/packages/x-charts/src/ChartsAxisHighlight/ChartsAxisHighlight.tsx
+++ b/packages/x-charts/src/ChartsAxisHighlight/ChartsAxisHighlight.tsx
@@ -117,7 +117,7 @@ function ChartsAxisHighlight(props: ChartsAxisHighlightProps) {
         />
       )}
 
-      {isBandScaleY && yScale(axisY.value) === undefined && (
+      {isBandScaleY && yScale(axisY.value) !== undefined && (
         <ChartsAxisHighlightPath
           d={`M ${xScale.range()[0]} ${
             // @ts-expect-error, yScale value is checked in the statement above