diff --git a/src/corelib/global/qfloat16.h b/src/corelib/global/qfloat16.h
index d0765b75b5f..d575979cd81 100644
--- a/src/corelib/global/qfloat16.h
+++ b/src/corelib/global/qfloat16.h
@@ -10,6 +10,7 @@
 #include <QtCore/qhashfunctions.h>
 #include <QtCore/qmath.h>
 #include <QtCore/qnamespace.h>
+#include <QtCore/qtconfigmacros.h>
 #include <QtCore/qtypes.h>
 
 #include <limits>