Index: src/wp-admin/includes/class-wp-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-list-table.php	(revision 34441)
+++ src/wp-admin/includes/class-wp-list-table.php	(working copy)
@@ -738,7 +738,7 @@
 
 		$current = $this->get_pagenum();
 
-		$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+		$current_url = set_url_scheme( site_url( $_SERVER['REQUEST_URI'] ) );
 
 		$current_url = remove_query_arg( array( 'hotkeys_highlight_last', 'hotkeys_highlight_first' ), $current_url );
 
@@ -1019,7 +1019,7 @@
 	public function print_column_headers( $with_id = true ) {
 		list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();
 
-		$current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+		$current_url = set_url_scheme( site_url( $_SERVER['REQUEST_URI'] ) );
 		$current_url = remove_query_arg( 'paged', $current_url );
 
 		if ( isset( $_GET['orderby'] ) )
