diff --git a/src/Core/ACL.php b/src/Core/ACL.php
index e6dd1a8f32..044f61aebc 100644
--- a/src/Core/ACL.php
+++ b/src/Core/ACL.php
@@ -367,7 +367,7 @@ class ACL extends BaseObject
 				}
 			}
 
-			if ($default_permissions['hidewall']) {
+			if (!$default_permissions['hidewall']) {
 				if ($mail_enabled) {
 					$jotnets_fields[] = [
 						'type' => 'checkbox',