diff --git a/htdocs/accountancy/admin/card.php b/htdocs/accountancy/admin/card.php
index e70bc39bfd0..9eabd378e11 100644
--- a/htdocs/accountancy/admin/card.php
+++ b/htdocs/accountancy/admin/card.php
@@ -85,7 +85,7 @@ if ($action == 'add' && $user->hasRight('accounting', 'chartofaccount')) {
 			// Clean code
 
 			// To manage zero or not at the end of the accounting account
-			if ($conf->global->ACCOUNTING_MANAGE_ZERO == 1) {
+			if (!empty($conf->global->ACCOUNTING_MANAGE_ZERO)) {
 				$account_number = $account_number;
 			} else {
 				$account_number = clean_account($account_number);
@@ -148,7 +148,7 @@ if ($action == 'add' && $user->hasRight('accounting', 'chartofaccount')) {
 			// Clean code
 
 			// To manage zero or not at the end of the accounting account
-			if (isset($conf->global->ACCOUNTING_MANAGE_ZERO) && $conf->global->ACCOUNTING_MANAGE_ZERO == 1) {
+			if (!empty($conf->global->ACCOUNTING_MANAGE_ZERO)) {
 				$account_number = $account_number;
 			} else {
 				$account_number = clean_account($account_number);