diff --git a/htdocs/includes/modules/commande/mod_commande_diamant.php b/htdocs/includes/modules/commande/mod_commande_diamant.php
index 32316735ccf..5d1472b2343 100644
--- a/htdocs/includes/modules/commande/mod_commande_diamant.php
+++ b/htdocs/includes/modules/commande/mod_commande_diamant.php
@@ -111,7 +111,7 @@ class mod_commande_diamant extends ModeleNumRefCommandes
           define("COMMANDE_DIAMANT_DELTA", 0);
         }
     
-      $num = $num + COMMANDE_NEPTUNE_DELTA;
+      $num = $num + COMMANDE_DIAMANT_DELTA;
     
     $y = strftime("%y",time());
 
diff --git a/htdocs/includes/modules/propale/mod_propale_diamant.php b/htdocs/includes/modules/propale/mod_propale_diamant.php
index d61f83f720e..eb0323b2e0b 100644
--- a/htdocs/includes/modules/propale/mod_propale_diamant.php
+++ b/htdocs/includes/modules/propale/mod_propale_diamant.php
@@ -99,7 +99,7 @@ class mod_propale_diamant extends ModeleNumRefPropales
           define("PROPALE_DIAMANT_DELTA", 0);
         }
     
-        $num = $num + PROPALE_NEPTUNE_DELTA;
+        $num = $num + PROPALE_DIAMANT_DELTA;
     
         $y = strftime("%y",time());