diff --git a/examples/corelib/serialization/cbordump/main.cpp b/examples/corelib/serialization/cbordump/main.cpp
index 4cbd03b98db..222bd436452 100644
--- a/examples/corelib/serialization/cbordump/main.cpp
+++ b/examples/corelib/serialization/cbordump/main.cpp
@@ -56,6 +56,7 @@
 #include <QLocale>
 #include <QStack>
 
+#include <locale.h>
 #include <math.h>
 #include <stdarg.h>
 #include <stdio.h>