diff --git a/Source/Core/DolphinQt2/QtUtils/RunOnObject.h b/Source/Core/DolphinQt2/QtUtils/RunOnObject.h
index 9fbda0bbc1..d1ebcd22cc 100644
--- a/Source/Core/DolphinQt2/QtUtils/RunOnObject.h
+++ b/Source/Core/DolphinQt2/QtUtils/RunOnObject.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <QThread>
 #include <type_traits>
 #include <utility>