diff --git a/AK/Vector.h b/AK/Vector.h
index 2296bc5884f..88d1348e84c 100644
--- a/AK/Vector.h
+++ b/AK/Vector.h
@@ -782,6 +782,9 @@ private:
     StorageType* m_outline_buffer { nullptr };
 };
 
+template<class... Args>
+Vector(Args... args) -> Vector<CommonType<Args...>>;
+
 }
 
 using AK::Vector;