diff --git a/ash/wm/splitview/split_view_divider_view.h b/ash/wm/splitview/split_view_divider_view.h
index dbdb2a18fd976..0063881e4d361 100644
--- a/ash/wm/splitview/split_view_divider_view.h
+++ b/ash/wm/splitview/split_view_divider_view.h
@@ -73,7 +73,7 @@ class SplitViewDividerView : public views::View,
 
   // A vertical 3-dot button that shows on the split view divider when
   // `ShouldAutomaticallyGroupOnWindowsSnappedInClamshell()` is true.
-  raw_ptr<IconButton, ExperimentalAsh> kebab_button_;
+  raw_ptr<IconButton, ExperimentalAsh> kebab_button_ = nullptr;
 
   // The snap group expanded menu widget and its contents view.
   views::UniqueWidgetPtr snap_group_expanded_menu_widget_;