diff --git a/packages/block-library/src/search/editor.scss b/packages/block-library/src/search/editor.scss
index effa741249e91..35ccfc5e633fc 100644
--- a/packages/block-library/src/search/editor.scss
+++ b/packages/block-library/src/search/editor.scss
@@ -7,7 +7,7 @@
 }
 
 .wp-block-search {
-	.wp-block-search__button {
+	:where(.wp-block-search__button) {
 		height: auto;
 		border-radius: initial;
 		display: flex;