diff --git a/src/wp-includes/js/tinymce/skins/wordpress/wp-content.css b/src/wp-includes/js/tinymce/skins/wordpress/wp-content.css
index afff0c8599..f23dfbdce1 100644
--- a/src/wp-includes/js/tinymce/skins/wordpress/wp-content.css
+++ b/src/wp-includes/js/tinymce/skins/wordpress/wp-content.css
@@ -77,6 +77,11 @@ td {
 }
 
 /* Styles for the WordPress plugins */
+.mce-content-body img[data-mce-placeholder] {
+	border-radius: 0;
+	padding: 0;
+}
+
 .mce-content-body img.mce-wp-nextpage,
 .mce-content-body img.mce-wp-more {
 	border: 0;