diff --git a/htdocs/admin/eventorganization.php b/htdocs/admin/eventorganization.php
index 439a3d9cafa..44bd0b035c6 100644
--- a/htdocs/admin/eventorganization.php
+++ b/htdocs/admin/eventorganization.php
@@ -213,7 +213,7 @@ if ($action == 'edit') {
 	print '<input type="hidden" name="action" value="update">';
 
 	print '<table class="noborder centpercent">';
-	print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td>'.$langs->trans("Value").'</td></tr>';
+	print '<tr class="liste_titre"><td class="titlefieldmiddle">'.$langs->trans("Parameter").'</td><td>'.$langs->trans("Value").'</td></tr>';
 
 	foreach ($arrayofparameters as $constname => $val) {
 		if ($val['enabled']==1) {
@@ -309,7 +309,7 @@ if ($action == 'edit') {
 } else {
 	if (!empty($arrayofparameters)) {
 		print '<table class="noborder centpercent">';
-		print '<tr class="liste_titre"><td>'.$langs->trans("Parameter").'</td><td>'.$langs->trans("Value").'</td></tr>';
+		print '<tr class="liste_titre"><td class="titlefieldmiddle">'.$langs->trans("Parameter").'</td><td>'.$langs->trans("Value").'</td></tr>';
 
 		foreach ($arrayofparameters as $constname => $val) {
 			if ($val['enabled']==1) {