diff --git a/.changeset/violet-otters-rule.md b/.changeset/violet-otters-rule.md
new file mode 100644
index 0000000000..415f354a06
--- /dev/null
+++ b/.changeset/violet-otters-rule.md
@@ -0,0 +1,5 @@
+---
+"stylelint": patch
+---
+
+Fixed: `declaration-block-no-redundant-longhand-properties` autofix for `border-radius` shorthand
diff --git a/lib/reference/properties.js b/lib/reference/properties.js
index b0eb13b963..ba10ec1a00 100644
--- a/lib/reference/properties.js
+++ b/lib/reference/properties.js
@@ -141,8 +141,8 @@ const longhandSubPropertiesOfShorthandProperties = new Map([
 		'border-radius',
 		new Set([
 			// prettier-ignore
-			'border-top-right-radius',
 			'border-top-left-radius',
+			'border-top-right-radius',
 			'border-bottom-right-radius',
 			'border-bottom-left-radius',
 		]),
diff --git a/lib/rules/declaration-block-no-redundant-longhand-properties/__tests__/index.js b/lib/rules/declaration-block-no-redundant-longhand-properties/__tests__/index.js
index 5724525e42..7905102d86 100644
--- a/lib/rules/declaration-block-no-redundant-longhand-properties/__tests__/index.js
+++ b/lib/rules/declaration-block-no-redundant-longhand-properties/__tests__/index.js
@@ -206,6 +206,12 @@ testRule({
 			description: 'autofixer should not mangle css functions with comma separated values',
 			message: messages.expected('transition'),
 		},
+		{
+			code: 'a { border-top-left-radius: 1em; border-top-right-radius: 2em; border-bottom-right-radius: 3em; border-bottom-left-radius: 4em; }',
+			fixed: 'a { border-radius: 1em 2em 3em 4em; }',
+			description: 'explicit border-radius test',
+			message: messages.expected('border-radius'),
+		},
 		{
 			code: 'a { border-top-width: 0px; border-right-width: 1px; border-bottom-width: 2px; border-left-width: 3px; }',
 			fixed: 'a { border-width: 0px 1px 2px 3px; }',