diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index eafc2e9e571..88f7f7aaa9a 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -4749,7 +4749,7 @@ class Form
 			print img_picto('', 'bank_account', 'class="pictofixedwidth"');
 			$nbaccountfound = $this->select_comptes($selected, $htmlname, 0, '', $addempty);
 			if ($nbaccountfound > 0) {
-				print '<input type="submit" class="button valignmiddle" value="'.$langs->trans("Modify").'">';
+				print '<input type="submit" class="button smallpaddingimp valignmiddle" value="'.$langs->trans("Modify").'">';
 			}
 			print '</form>';
 		} else {