diff --git a/include/ajax.search.php b/include/ajax.search.php
index f5b5480ebc63967aa2b2e590a8d5bfa8ef68e8f9..931da5b9291b167987dc1ec18e60776209d54656 100644
--- a/include/ajax.search.php
+++ b/include/ajax.search.php
@@ -389,9 +389,9 @@ class SearchAjaxAPI extends AjaxController {
                 ));
             }
             else {
-                $expr = SqlCase::N()->when(new SqlExpr(new Q($Q->constraints)), 1);
+                $expr = SqlCase::N()->when(new SqlExpr(new Q($Q->constraints)), new SqlField('ticket_id'));
                 $query->aggregate(array(
-                    'q'.$queue->id => SqlAggregate::COUNT($expr)
+                    'q'.$queue->id => SqlAggregate::COUNT($expr, true)
                 ));
             }
         }