diff --git a/plugins/woocommerce-blocks/templates/templates/blockified/single-product.html b/plugins/woocommerce-blocks/templates/templates/blockified/single-product.html
index 4fe505d411b..0fecbef4636 100644
--- a/plugins/woocommerce-blocks/templates/templates/blockified/single-product.html
+++ b/plugins/woocommerce-blocks/templates/templates/blockified/single-product.html
@@ -15,7 +15,7 @@
 
 		<!-- wp:column -->
 		<div class="wp-block-column">
-			<!-- wp:post-title {"__woocommerceNamespace":"woocommerce/product-query/product-title"} /-->
+			<!-- wp:post-title {"level": 1, "__woocommerceNamespace":"woocommerce/product-query/product-title"} /-->
 
 			<!-- wp:woocommerce/product-rating {"isDescendentOfSingleProductTemplate":true} /-->