diff --git a/src/plugins/coreplugin/editormanager/ieditorfactory.h b/src/plugins/coreplugin/editormanager/ieditorfactory.h
index cc4e6f72a50..fd0e43bd42c 100644
--- a/src/plugins/coreplugin/editormanager/ieditorfactory.h
+++ b/src/plugins/coreplugin/editormanager/ieditorfactory.h
@@ -33,6 +33,8 @@
 #include <QObject>
 #include <QStringList>
 
+#include <functional>
+
 namespace Core {
 
 class IEditor;