1 files changed, 2 insertions, 2 deletions
diff --git a/Libraries/LibGUI/ScrollBar.h b/Libraries/LibGUI/ScrollBar.h
index d65d4f6186..556dbff0f2 100644
--- a/Libraries/LibGUI/ScrollBar.h
+++ b/Libraries/LibGUI/ScrollBar.h
@@ -65,8 +65,8 @@ public:
     };
 
 private:
-    explicit ScrollBar(Widget* parent);
-    explicit ScrollBar(Orientation, Widget* parent);
+    explicit ScrollBar(Widget* parent = nullptr);
+    explicit ScrollBar(Orientation, Widget* parent = nullptr);
 
     virtual void paint_event(PaintEvent&) override;
     virtual void mousedown_event(MouseEvent&) override;