diff --git a/client/blocks/reader-full-post/_content.scss b/client/blocks/reader-full-post/_content.scss
index bbc65d0d92f373..df4c5f75369a31 100644
--- a/client/blocks/reader-full-post/_content.scss
+++ b/client/blocks/reader-full-post/_content.scss
@@ -54,6 +54,11 @@
 		background: transparent;
 	}
 
+	.wp-block-spacer {
+		height: 20px;
+		clear: both;
+	}
+
 	aside {
 		margin: 0;
 		border: none;