diff --git a/src/wp-admin/includes/media.php b/src/wp-admin/includes/media.php
index 8d0e4089dc..c02cdcdb73 100644
--- a/src/wp-admin/includes/media.php
+++ b/src/wp-admin/includes/media.php
@@ -3233,7 +3233,7 @@ 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