Index: src/wp-admin/includes/class-wp-media-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-media-list-table.php	(revision 27531)
+++ src/wp-admin/includes/class-wp-media-list-table.php	(working copy)
@@ -164,7 +164,7 @@
 		if ( !$this->detached ) {
 			$posts_columns['parent'] = _x( 'Uploaded to', 'column name' );
 			if ( post_type_supports( 'attachment', 'comments' ) )
-				$posts_columns['comments'] = '<span class="vers"><div title="' . esc_attr__( 'Comments' ) . '" class="comment-grey-bubble"></div></span>';
+				$posts_columns['comments'] = '<span class="vers"><span title="' . esc_attr__( 'Comments' ) . '" class="comment-grey-bubble"></span></span>';
 		}
 		/* translators: column name */
 		$posts_columns['date'] = _x( 'Date', 'column name' );
Index: src/wp-admin/includes/class-wp-posts-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-posts-list-table.php	(revision 27531)
+++ src/wp-admin/includes/class-wp-posts-list-table.php	(working copy)
@@ -311,7 +311,7 @@
 
 		$post_status = !empty( $_REQUEST['post_status'] ) ? $_REQUEST['post_status'] : 'all';
 		if ( post_type_supports( $post_type, 'comments' ) && !in_array( $post_status, array( 'pending', 'draft', 'future' ) ) )
-			$posts_columns['comments'] = '<span class="vers"><div title="' . esc_attr__( 'Comments' ) . '" class="comment-grey-bubble"></div></span>';
+			$posts_columns['comments'] = '<span class="vers"><span title="' . esc_attr__( 'Comments' ) . '" class="comment-grey-bubble"></span></span>';
 
 		$posts_columns['date'] = __( 'Date' );