diff --git a/src/gui/application.cpp b/src/gui/application.cpp
index 6c51d485c..9569c8bc1 100644
--- a/src/gui/application.cpp
+++ b/src/gui/application.cpp
@@ -59,6 +59,7 @@
 #include <libcrashreporter-handler/Handler.h>
 #endif
 
+#include <QLocale>
 #include <QTranslator>
 #include <QMenu>
 #include <QMessageBox>