diff --git a/packages/block-library/src/buttons/editor.scss b/packages/block-library/src/buttons/editor.scss
index 324e4a4821c0e..672f2b0712358 100644
--- a/packages/block-library/src/buttons/editor.scss
+++ b/packages/block-library/src/buttons/editor.scss
@@ -13,7 +13,7 @@ $blocks-block__margin: 0.5em;
 	}
 
 	// Specificity needed in some themes to override editor auto block margins for the button.
-	> .wp-block.wp-block-button {
+	> .wp-block-button.wp-block-button.wp-block-button.wp-block-button.wp-block-button {
 		margin: 0;
 	}