diff --git a/navicat-patcher/Exception.hpp b/navicat-patcher/Exception.hpp
index 0a82cd5..f519f5c 100644
--- a/navicat-patcher/Exception.hpp
+++ b/navicat-patcher/Exception.hpp
@@ -1,4 +1,7 @@
 #pragma once
+#include <string>
+#include <sstream>
+#include <iostream>
 #include <stddef.h>
 #include <system_error>