diff --git a/lib/database/dbutil.inc b/lib/database/dbutil.inc
index 97248f8..487524b 100644
--- a/lib/database/dbutil.inc
+++ b/lib/database/dbutil.inc
@@ -233,7 +233,7 @@ class DBUtil {
         return DBUtil::runQuery(array($sQuery, $aValues), $db);
     }
 
-    function &paramArray($aArray) {
+    function paramArray($aArray) {
         $iNumIds = count($aArray);
         if (empty($iNumIds)) {
             return "";