diff --git a/core/config.php b/core/config.php
index 8f5c9a06..d40cc19f 100644
--- a/core/config.php
+++ b/core/config.php
@@ -113,7 +113,7 @@ abstract class BaseConfig implements Config
 {
     public $values = [];
 
-    public function set_int(string $name, ?int $value): void
+    public function set_int(string $name, ?string $value): void
     {
         $this->values[$name] = parse_shorthand_int($value);
         $this->save($name);