diff --git a/api/logic/QObjectPtr.h b/api/logic/QObjectPtr.h
index 000d228d..4a42f728 100644
--- a/api/logic/QObjectPtr.h
+++ b/api/logic/QObjectPtr.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <functional>
 #include <memory>
 #include <QObject>