diff --git a/Browser.py b/Browser.py
index 87ac0a6..1c7cbaf 100644
--- a/Browser.py
+++ b/Browser.py
@@ -223,11 +223,12 @@ class Browser(ft.Row):
     def _BuildToolbarBar(self) -> ft.Control:
         """Breadcrumbs and the button toolbar share one bar, each taking half
         the width — not two separate full-width rows."""
-        ToolbarContainer = ft.Container(
-            self.ActionsToolbar, padding=8, expand=1 if self.Config.ShowBreadcrumbs else True
-        )
         if not self.Config.ShowBreadcrumbs:
-            return ToolbarContainer
+            # Alone, the toolbar sits straight in the file column, where
+            # `expand` means height, not width: with it, the toolbar took half
+            # the window. The column already stretches it to full width.
+            return ft.Container(self.ActionsToolbar, padding=8)
+        ToolbarContainer = ft.Container(self.ActionsToolbar, padding=8, expand=1)
         BreadcrumbsContainer = ft.Container(self.Breadcrumbs, padding=8, expand=1)
         return ft.Row([BreadcrumbsContainer, ToolbarContainer])