diff --git a/htdocs/accountancy/customer/index.php b/htdocs/accountancy/customer/index.php
index 13aa7883222..079e05c406b 100644
--- a/htdocs/accountancy/customer/index.php
+++ b/htdocs/accountancy/customer/index.php
@@ -47,7 +47,7 @@ if (!isModEnabled('accounting')) {
 if ($user->socid > 0) {
 	accessforbidden();
 }
-if ($user->hasRight('accounting', 'bind', 'write')) {
+if (!$user->hasRight('accounting', 'bind', 'write')) {
 	accessforbidden();
 }