From 956d55682aa49c715f75cdf580d46e0d1c0ebd60 Mon Sep 17 00:00:00 2001
From: Aaron Robertshaw <60436221+aaronrobertshaw@users.noreply.github.com>
Date: Wed, 3 Mar 2021 11:09:32 +1000
Subject: [PATCH] Fix border radius support application of zero values (#28998)

---
 packages/block-editor/src/hooks/border-radius.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/block-editor/src/hooks/border-radius.js b/packages/block-editor/src/hooks/border-radius.js
index beb42e529751de..7ced3df65401a6 100644
--- a/packages/block-editor/src/hooks/border-radius.js
+++ b/packages/block-editor/src/hooks/border-radius.js
@@ -32,7 +32,7 @@ export function BorderRadiusEdit( props ) {
 	}
 
 	const onChange = ( newRadius ) => {
-		const newStyle = {
+		let newStyle = {
 			...style,
 			border: {
 				...style?.border,
@@ -40,7 +40,11 @@ export function BorderRadiusEdit( props ) {
 			},
 		};
 
-		setAttributes( { style: cleanEmptyObject( newStyle ) } );
+		if ( newRadius === undefined ) {
+			newStyle = cleanEmptyObject( newStyle );
+		}
+
+		setAttributes( { style: newStyle } );
 	};
 
 	return (