blocks.php.patch

diff --git a/pro/blocks.php b/pro/blocks.php
index 8f02e8d..4ac127b 100755
--- a/pro/blocks.php
+++ b/pro/blocks.php
@@ -910,8 +910,14 @@ function acf_ajax_fetch_block() {
 		$content    = '';
 		$is_preview = true;
 
+		$parent = WP_Block_Supports::$block_to_render;
+		$block['blockName'] = $block['name'];
+		WP_Block_Supports::$block_to_render = $block;
+
 		// Render and store HTML.
 		$response['preview'] = acf_rendered_block( $block, $content, $is_preview, $post_id, null, $context );
+
+		WP_Block_Supports::$block_to_render = $parent;
 	}
 
 	// Send response.