diff --git a/trunk/web/contestrank2.php b/trunk/web/contestrank2.php
index a946756d455..9cd93609ab4 100644
--- a/trunk/web/contestrank2.php
+++ b/trunk/web/contestrank2.php
@@ -126,7 +126,7 @@ function s_cmp($A,$B){
 $sql="SELECT
         users.user_id,users.nick,solution.result,solution.num,unix_timestamp(solution.in_date)-$start_time in_date
                 FROM
-                        (select * from solution where solution.contest_id='$cid' and num>=0 ) solution
+                        (select * from solution where solution.contest_id='$cid' and num>=0  and problem_id>0) solution
                 left join users
                 on users.user_id=solution.user_id
         ORDER BY in_date";