diff --git a/src/perms.php b/src/perms.php
index e27591d0..fce97c94 100644
--- a/src/perms.php
+++ b/src/perms.php
@@ -19,10 +19,8 @@ function perms_get_keys(array $modes = MSZ_PERM_MODES): array
     $perms = [];
 
     foreach (MSZ_PERM_MODES as $mode) {
-        $perms[] = [
-            perms_get_key($mode, MSZ_PERMS_ALLOW),
-            perms_get_key($mode, MSZ_PERMS_DENY),
-        ];
+        $perms[] = perms_get_key($mode, MSZ_PERMS_ALLOW);
+        $perms[] = perms_get_key($mode, MSZ_PERMS_DENY);
     }
 
     return $perms;