diff --git a/Core/Core_c.php b/Core/Core_c.php
index b1e50fe97..59e0ae854 100644
--- a/Core/Core_c.php
+++ b/Core/Core_c.php
@@ -744,6 +744,7 @@ public static function create(object $object): WeakReference {}
      * @return T|null
      * @since 7.4
      */
+    #[Pure]
     public function get(): ?object {}
 }