diff --git a/src/modules/locale/timezonewidget/localeglobal.cpp b/src/modules/locale/timezonewidget/localeglobal.cpp
index 290dab6a2..b7aa603e1 100644
--- a/src/modules/locale/timezonewidget/localeglobal.cpp
+++ b/src/modules/locale/timezonewidget/localeglobal.cpp
@@ -45,7 +45,7 @@ LocaleGlobal::Location::pretty( const QString& s )
 
 
 QString
-LocaleGlobal::Location::comment()
+LocaleGlobal::Location::comment() const
 {
     QTimeZone qtz = QTimeZone( QString( "%1/%2" )
                                     .arg( region )
diff --git a/src/modules/locale/timezonewidget/localeglobal.h b/src/modules/locale/timezonewidget/localeglobal.h
index b55683006..5bacffc47 100644
--- a/src/modules/locale/timezonewidget/localeglobal.h
+++ b/src/modules/locale/timezonewidget/localeglobal.h
@@ -46,7 +46,7 @@ public:
         QString region, zone;
         double latitude, longitude;
         static QString pretty( const QString& s );
-        QString comment();
+        QString comment() const;
     };
 
     static void init();