diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index eba2c8b8db..f6a785e51d 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -3231,7 +3231,7 @@ function edit_form_image_editor( $post ) {
 
 	?>
 	</label>
-	<?php wp_editor( $post->post_content, 'attachment_content', $editor_args ); ?>
+	<?php wp_editor( format_to_edit( $post->post_content ), 'attachment_content', $editor_args ); ?>
 
 	</div>
 	<?php