diff --git a/include/staff/ticket-view.inc.php b/include/staff/ticket-view.inc.php
index b0dc9ee4aa4ee6cc4f91271c3be2a46adbc5c2d4..5a0100bbcaf2f16ce5c9513d19905845f5c7c013 100644
--- a/include/staff/ticket-view.inc.php
+++ b/include/staff/ticket-view.inc.php
@@ -30,7 +30,7 @@ elseif ($ticket->isAssigned()
         && (($staff && $staff->getId()!=$thisstaff->getId())
             || ($team && !$team->hasMember($thisstaff))
         ))
-    $warn.= sprintf('&nbsp;&nbsp;<span class="Icon assignedTicket">%</span>',
+    $warn.= sprintf('&nbsp;&nbsp;<span class="Icon assignedTicket">%s</span>',
             sprintf(__('Ticket is assigned to %s'),
                 implode('/', $ticket->getAssignees())
                 ));