diff --git a/includes/Title.php b/includes/Title.php
index 8d5fa050cad..dd6e3897d15 100644
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -3386,7 +3386,7 @@ class Title {
 	 */
 	public function countRevisionsBetween( $old, $new ) {
 		$dbr = wfGetDB( DB_SLAVE );
-		return $dbr->selectField( 'revision', 'count(*)',
+		return (int)$dbr->selectField( 'revision', 'count(*)',
 			'rev_page = ' . intval( $this->getArticleId() ) .
 			' AND rev_id > ' . intval( $old ) .
 			' AND rev_id < ' . intval( $new ),