diff --git a/htdocs/bom/bom_card.php b/htdocs/bom/bom_card.php
index 591e9a69d88..b28cf459094 100644
--- a/htdocs/bom/bom_card.php
+++ b/htdocs/bom/bom_card.php
@@ -185,6 +185,8 @@ if (empty($reshook))
     		    unset($_POST['disable_stock_change']);
 
     		    $object->fetchLines();
+
+    		    $object->calculateCosts();
     		}
 		}
 	}
@@ -227,6 +229,8 @@ if (empty($reshook))
 		    unset($_POST['disable_stock_change']);
 
 		    $object->fetchLines();
+
+		    $object->calculateCosts();
 		}
 	}
 }