diff --git a/onyx2/include/game/arbre.php b/onyx2/include/game/arbre.php
index 7ec16dd..4b94b48 100644
--- a/onyx2/include/game/arbre.php
+++ b/onyx2/include/game/arbre.php
@@ -94,7 +94,7 @@ $max_unite = count($LANG[$race]["terrestre"]["noms_sing"]);
 while ($id <= $max_unite) {
     if (!empty($LANG[$race]["terrestre"]["noms_sing"][$id])) {
         $TEMP_liste[$id] = array(
-            'niveau' => $planete->terrestres[$id],
+            'niveau' => ($race == $planete->race) ? $planete->terrestres[$id] : 0,
             'etat' => dTerrestre::needed($id, $planete, true, $race)
         );
     }