diff --git a/public/forum/index.php b/public/forum/index.php
index 9286ac5a..76aa4a8c 100644
--- a/public/forum/index.php
+++ b/public/forum/index.php
@@ -17,7 +17,7 @@ switch ($indexMode) {
 
     default:
         $categories = forum_get_root_categories(user_session_current('user_id', 0));
-        $blankForum = count($categories) <= 1 && $categories[0]['forum_children'] < 1;
+        $blankForum = count($categories) < 1;
 
         foreach ($categories as $key => $category) {
             $categories[$key]['forum_subforums'] = forum_get_children(
diff --git a/src/Forum/perms.php b/src/Forum/perms.php
index 5264976a..dece1c2e 100644
--- a/src/Forum/perms.php
+++ b/src/Forum/perms.php
@@ -9,7 +9,7 @@ function forum_perms_get_user(?int $forum, int $user): array
 {
     $perms = perms_get_blank(MSZ_FORUM_PERM_MODES);
 
-    if ($user < 1 || $forum < 0) {
+    if ($user < 0 || $forum < 0) {
         return $perms;
     }
 
@@ -33,7 +33,8 @@ function forum_perms_get_user(?int $forum, int $user): array
             FROM `msz_forum_permissions`
             WHERE (`forum_id` = :forum_id OR `forum_id` IS NULL)
             AND (
-                (`user_id` = :user_id_1 AND `role_id` IS NULL)
+                (`user_id` IS NULL AND `role_id` IS NULL)
+                OR (`user_id` = :user_id_1 AND `role_id` IS NULL)
                 OR (
                     `user_id` IS NULL
                     AND `role_id` IN (
@@ -161,5 +162,5 @@ function forum_perms_get_role_raw(?int $forum, ?int $role): array
 
 function forum_perms_check_user(string $prefix, ?int $forumId, ?int $userId, int $perm): bool
 {
-    return $userId > 0 && perms_check(forum_perms_get_user($forumId, $userId)[$prefix] ?? 0, $perm);
+    return perms_check(forum_perms_get_user($forumId, $userId)[$prefix] ?? 0, $perm);
 }