diff --git a/generator/serializationcodegenerator.cpp b/generator/serializationcodegenerator.cpp
index b007c69..b7fffe2 100644
--- a/generator/serializationcodegenerator.cpp
+++ b/generator/serializationcodegenerator.cpp
@@ -6,6 +6,8 @@
 #include <clang/AST/DeclFriend.h>
 #include <clang/AST/DeclTemplate.h>
 
+#include <iostream>
+
 using namespace std;
 
 namespace ReflectiveRapidJSON {