diff --git a/common/cmaevent.cpp b/common/cmaevent.cpp
index 76ba69a..1e9ac63 100644
--- a/common/cmaevent.cpp
+++ b/common/cmaevent.cpp
@@ -19,6 +19,7 @@
 
 #include "cmaevent.h"
 #include "cmautils.h"
+#include <locale.h>
 
 #include <QDateTime>
 #include <QDebug>