diff --git a/Sources/User.php b/Sources/User.php
index 9b86ac728e..97b06400f4 100644
--- a/Sources/User.php
+++ b/Sources/User.php
@@ -2299,7 +2299,7 @@ public function allowedTo(string|array $permission, int|array|null $boards = nul
 		$cache_key = hash('md5', $this->id . '-' . implode(',', $permission) . '-' . implode(',', $boards) . '-' . (int) $any);
 
 		if (isset($this->perm_cache[$cache_key])) {
-			return $this->perm_cache[$cache_key];
+			return !empty($this->perm_cache[$cache_key]);
 		}
 
 		$request = Db::$db->query(