diff --git a/launcher/ui/widgets/LanguageSelectionWidget.h b/launcher/ui/widgets/LanguageSelectionWidget.h
index cf1f5bf3c..3c9e70809 100644
--- a/launcher/ui/widgets/LanguageSelectionWidget.h
+++ b/launcher/ui/widgets/LanguageSelectionWidget.h
@@ -22,6 +22,7 @@ class QTreeView;
 class QLabel;
 class Setting;
 class QCheckBox;
+class QComboBox;
 
 class LanguageSelectionWidget : public QWidget {
     Q_OBJECT
@@ -41,4 +42,5 @@ class LanguageSelectionWidget : public QWidget {
     QTreeView* languageView = nullptr;
     QLabel* helpUsLabel = nullptr;
     QCheckBox* formatCheckbox = nullptr;
+    QComboBox* dateFormatCombo = nullptr;
 };