diff --git a/src/corelib/serialization/qdatastream.h b/src/corelib/serialization/qdatastream.h
index 1c8a24cec49..2a41f7531ed 100644
--- a/src/corelib/serialization/qdatastream.h
+++ b/src/corelib/serialization/qdatastream.h
@@ -9,6 +9,8 @@
 #include <QtCore/qcontainerfwd.h>
 #include <QtCore/qnamespace.h>
 
+#include <iterator>         // std::distance(), std::next()
+
 #ifdef Status
 #error qdatastream.h must be included before any header file that defines Status
 #endif