From e607fa5f204bdaac281a3f435ae3ece3a1d1d9a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Zaninotto?= <fzaninotto@gmail.com>
Date: Wed, 20 Nov 2024 23:48:23 +0100
Subject: [PATCH] Fix SortButton default translation

---
 packages/ra-ui-materialui/src/button/SortButton.tsx | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/packages/ra-ui-materialui/src/button/SortButton.tsx b/packages/ra-ui-materialui/src/button/SortButton.tsx
index 74a3dfd269a..97b0799aaa5 100644
--- a/packages/ra-ui-materialui/src/button/SortButton.tsx
+++ b/packages/ra-ui-materialui/src/button/SortButton.tsx
@@ -91,11 +91,16 @@ const SortButton = (props: SortButtonProps) => {
         setAnchorEl(null);
     };
 
+    const fieldLabel = translateLabel({
+        resource,
+        source: sort.field,
+    });
     const buttonLabel = translate(label, {
-        field: translateLabel({
-            resource,
-            source: sort.field,
-        }),
+        field: fieldLabel,
+        field_lower_first:
+            typeof fieldLabel === 'string'
+                ? fieldLabel.charAt(0).toLowerCase() + fieldLabel.slice(1)
+                : undefined,
         order: translate(`ra.sort.${sort.order}`),
         _: label,
     });