1 files changed, 1 insertions, 0 deletions
diff --git a/Libraries/LibGUI/Forward.h b/Libraries/LibGUI/Forward.h
index 3fc85b72e4..ff0c6ba5c1 100644
--- a/Libraries/LibGUI/Forward.h
+++ b/Libraries/LibGUI/Forward.h
@@ -53,6 +53,7 @@ class Model;
 class ModelEditingDelegate;
 class ModelIndex;
 class MouseEvent;
+class MultiView;
 class PaintEvent;
 class Painter;
 class ResizeCorner;