diff --git a/src/citron/game_list.h b/src/citron/game_list.h
index e5d255cba..7438a6e78 100644
--- a/src/citron/game_list.h
+++ b/src/citron/game_list.h
@@ -147,6 +147,7 @@ public slots:
     void OnConfigurationChanged();
 
 private slots:
+    void UpdateProgressBarColor();
     void OnItemExpanded(const QModelIndex& item);
     void OnTextChanged(const QString& new_text);
     void OnFilterCloseClicked();