diff --git a/tabellio/contest/contest_templates/participants.pt b/tabellio/contest/contest_templates/participants.pt
index 600152e..2dd98be 100644
--- a/tabellio/contest/contest_templates/participants.pt
+++ b/tabellio/contest/contest_templates/participants.pt
@@ -25,7 +25,7 @@
             tal:content="winner/name"></a></span>
         </p>
 
-        <p>
+        <p tal:condition="not:context/active">
         <form method="post" action="@@pick">
           <button>Tirer un gagnant au sort</button>
         </form>