diff --git a/htdocs/contrat/card.php b/htdocs/contrat/card.php
index 7e5b4d482d0..7a8fb3114fc 100644
--- a/htdocs/contrat/card.php
+++ b/htdocs/contrat/card.php
@@ -1811,7 +1811,7 @@ if ($action == 'create') {
 					$moreparam = 'style="display: none;"';
 				}
 				print '<tr class="oddeven" '.$moreparam.'>';
-				print '<td class="tdhrthin" colspan="'.($conf->margin->enabled ? 7 : 6).'"><hr class="opacitymedium tdhrthin"></td>';
+				print '<td class="tdhrthin" colspan="'.(isModEnabled('margin') ? 7 : 6).'"><hr class="opacitymedium tdhrthin"></td>';
 				print "</tr>\n";
 			}