diff --git a/api/register-block-extension/index.js b/api/register-block-extension/index.js
index 604bb6fa..ebbd9507 100644
--- a/api/register-block-extension/index.js
+++ b/api/register-block-extension/index.js
@@ -123,7 +123,7 @@ function registerBlockExtension(
 			const newClassName = classnames(className, additionalClassName);
 
 			let additionalStyles = null;
-			let newStyles = {};
+			let newStyles = { ...style };
 			if (typeof inlineStyleGenerator === 'function') {
 				additionalStyles = inlineStyleGenerator(attributes);
 				newStyles = { ...style, ...wrapperProps?.style, ...additionalStyles };