diff --git a/htdocs/accountancy/customer/card.php b/htdocs/accountancy/customer/card.php
index 296d6729301..0b3435ecb92 100644
--- a/htdocs/accountancy/customer/card.php
+++ b/htdocs/accountancy/customer/card.php
@@ -38,7 +38,7 @@ $codeventil = GETPOST('codeventil', 'int');
 $id = GETPOST('id', 'int');
 
 // Security check
-if (empty($conf->accounting->enabled)) {
+if (!isModEnabled('accounting')) {
 	accessforbidden();
 }
 if ($user->socid > 0) {
diff --git a/htdocs/accountancy/customer/index.php b/htdocs/accountancy/customer/index.php
index 0eca61c72c1..06db5cedd0e 100644
--- a/htdocs/accountancy/customer/index.php
+++ b/htdocs/accountancy/customer/index.php
@@ -40,7 +40,7 @@ $validatemonth = GETPOST('validatemonth', 'int');
 $validateyear = GETPOST('validateyear', 'int');
 
 // Security check
-if (empty($conf->accounting->enabled)) {
+if (!isModEnabled('accounting')) {
 	accessforbidden();
 }
 if ($user->socid > 0) {
@@ -77,7 +77,7 @@ $action = GETPOST('action', 'aZ09');
 $chartaccountcode = dol_getIdFromCode($db, $conf->global->CHARTOFACCOUNTS, 'accounting_system', 'rowid', 'pcg_version');
 
 // Security check
-if (empty($conf->accounting->enabled)) {
+if (!isModEnabled('accounting')) {
 	accessforbidden();
 }
 if ($user->socid > 0) {
@@ -622,7 +622,7 @@ if ($conf->global->MAIN_FEATURES_LEVEL > 0) { // This part of code looks strange
 	print '</div>';
 
 
-	if (!empty($conf->margin->enabled)) {
+	if (isModEnabled('margin')) {
 		print "<br>\n";
 		print '<div class="div-table-responsive-no-min">';
 		print '<table class="noborder centpercent">';