Index: webform_submissions.inc
===================================================================
--- webform_submissions.inc	(revision 4161)
+++ webform_submissions.inc	(working copy)
@@ -165,7 +165,7 @@
     $query .= ' ORDER BY sid ASC, cid ASC, no ASC';
   }
 
-  $res = $pager_count ? db_query($query, $nid, $sids, $uid) : db_query($query, $nid, $uid);
+  $res = $pager_count && !empty($sids) ? db_query($query, $nid, $sids, $uid) : db_query($query, $nid, $uid);
   $submissions = array();
   $previous = array();