diff --git a/rpcs3/rpcs3qt/downloader.cpp b/rpcs3/rpcs3qt/downloader.cpp
index 65f481bff8..852449c0af 100644
--- a/rpcs3/rpcs3qt/downloader.cpp
+++ b/rpcs3/rpcs3qt/downloader.cpp
@@ -1,6 +1,7 @@
 #include <QApplication>
 #include <QThread>
 #include <QJsonObject>
+#include <QJsonDocument>
 
 #include "downloader.h"
 #include "curl_handle.h"