diff --git a/packages/edit-site/src/hooks/push-changes-to-global-styles/index.js b/packages/edit-site/src/hooks/push-changes-to-global-styles/index.js
index 2a202b7aa5b86..a3ccc3e7c3234 100644
--- a/packages/edit-site/src/hooks/push-changes-to-global-styles/index.js
+++ b/packages/edit-site/src/hooks/push-changes-to-global-styles/index.js
@@ -337,6 +337,7 @@ function PushChangesToGlobalStylesControl( {
 				{ __( 'Styles' ) }
 			</BaseControl.VisualLabel>
 			<Button
+				__next40pxDefaultSize
 				variant="secondary"
 				disabled={ changes.length === 0 }
 				onClick={ pushChanges }