diff --git a/crates/snowbound/src/main.rs b/crates/snowbound/src/main.rs
index 79d8287032e6335f1cec0fcdb7f20f5e8b486fcb..4c95b3685fa48e6cf82529db8a65919415c9edae 100644
--- a/crates/snowbound/src/main.rs
+++ b/crates/snowbound/src/main.rs
@@ -1754,6 +1754,7 @@ impl State {
                 -self.view.viewport.origin[index],
                 [scroll.min[index], scroll.max[index]],
                 self.view.viewport.size[index] as f32,
+                scroll.max[1 - index] > scroll.min[1 - index],
                 [0.18, 0.18, 0.18, 0.45],
             ) {
                 let response = self.view.scroll_to(index, offset)?;
diff --git a/crates/ui/src/list.rs b/crates/ui/src/list.rs
index ef1b977f391b929ad9bd84fa8a59881e49cc85d1..9ab81d72671a2c69a90f9c0b894e5a758807a744 100644
--- a/crates/ui/src/list.rs
+++ b/crates/ui/src/list.rs
@@ -246,6 +246,7 @@ pub fn list<R: Rows>(
         scroll as f32,
         [0.0, most as f32],
         view as f32,
+        false,
         thumb,
     ) {
         // Rows keep their places relative to the new offset, or next frame's hold on the
diff --git a/crates/ui/src/tests.rs b/crates/ui/src/tests.rs
index 22e36ee77a917b6ce1a7c54a07726c151e9ed9fa..84c3b4b8c2831a0e04740111aeff06aec4175e13 100644
--- a/crates/ui/src/tests.rs
+++ b/crates/ui/src/tests.rs
@@ -862,13 +862,20 @@ fn scrollbar_thumbs_track_the_offset_and_drags_reach_both_ends() {
                 "view",
                 Spec {
                     flags: Flags::CUSTOM,
-                    size: [px(200.0), px(220.0)],
+                    size: [px(200.0), px(218.0)],
                     ..Spec::default()
                 },
             );
-            if let Some(chosen) =
-                scrollbar(ui, "bar", Axis::Y, *offset, [0.0, 1000.0], 400.0, [0.5; 4])
-            {
+            if let Some(chosen) = scrollbar(
+                ui,
+                "bar",
+                Axis::Y,
+                *offset,
+                [0.0, 1000.0],
+                400.0,
+                true,
+                [0.5; 4],
+            ) {
                 *offset = chosen;
             }
             ui.close();
@@ -902,6 +909,36 @@ fn scrollbar_thumbs_track_the_offset_and_drags_reach_both_ends() {
     assert_eq!(offset, 0.0);
 }
 
+#[test]
+fn a_scrollbar_without_a_corner_ends_as_far_from_its_end_as_from_its_start() {
+    let mut ui = Ui::new(Theme::dark(), DOUBLE_CLICK);
+    for _ in 0..2 {
+        frame(&mut ui, |ui| {
+            ui.open(
+                "view",
+                Spec {
+                    flags: Flags::CUSTOM,
+                    size: [px(200.0), px(208.0)],
+                    ..Spec::default()
+                },
+            );
+            scrollbar(
+                ui,
+                "bar",
+                Axis::Y,
+                1000.0,
+                [0.0, 1000.0],
+                400.0,
+                false,
+                [0.5; 4],
+            );
+            ui.close();
+        });
+    }
+    let rect = ui.rect(Id::ROOT.child("view").child("bar")).unwrap();
+    assert_eq!(rect[3], 204.0);
+}
+
 #[test]
 fn system_scrollers_step_page_and_drag_by_the_parts_the_platform_paints() {
     let mut ui = Ui::new(Theme::dark(), DOUBLE_CLICK);
@@ -936,9 +973,16 @@ fn system_scrollers_step_page_and_drag_by_the_parts_the_platform_paints() {
                     ..Spec::default()
                 },
             );
-            if let Some(chosen) =
-                scrollbar(ui, "bar", Axis::Y, *offset, [0.0, 1000.0], 400.0, [0.5; 4])
-            {
+            if let Some(chosen) = scrollbar(
+                ui,
+                "bar",
+                Axis::Y,
+                *offset,
+                [0.0, 1000.0],
+                400.0,
+                true,
+                [0.5; 4],
+            ) {
                 *offset = chosen;
             }
             ui.close();
diff --git a/crates/ui/src/widgets.rs b/crates/ui/src/widgets.rs
index de1b7bc458adb119567447cba7c79516bac69a05..912c46e201adc48c50125b56edabbb8236814ae1 100644
--- a/crates/ui/src/widgets.rs
+++ b/crates/ui/src/widgets.rs
@@ -130,8 +130,10 @@ const REPEAT: Duration = Duration::from_millis(50);
 
 /// A scrollbar along the far edge of the current box, for content whose scroll offset
 /// ranges over `range` while `view` of it shows, all in one unit: the platform's scroller
-/// where `Ui::scrollers` has one, otherwise a thumb in `color` over the content. Returns
-/// the offset the scrollbar chose.
+/// where `Ui::scrollers` has one, otherwise a thumb in `color` over the content. With a
+/// `corner`, its far end leaves room for the other axis's scrollbar. Returns the offset
+/// the scrollbar chose.
+#[allow(clippy::too_many_arguments)]
 pub fn scrollbar(
     ui: &mut Ui,
     part: impl Hash,
@@ -139,18 +141,19 @@ pub fn scrollbar(
     offset: f32,
     range: [f32; 2],
     view: f32,
+    corner: bool,
     color: [f32; 4],
 ) -> Option<f32> {
     if ui.scrollers.is_some() {
-        return system_scrollbar(ui, part, axis, offset, range, view);
+        return system_scrollbar(ui, part, axis, offset, range, view, corner);
     }
     let along = usize::from(axis == Axis::Y);
     let rect = ui.rect(ui.current())?;
     let length = rect[along + 2] - rect[along];
     let cross = rect[3 - along] - rect[1 - along];
     let span = range[1] - range[0];
-    // The far end leaves room for the other axis's bar.
-    let track = length - 20.0;
+    // A thumb keeps 4 from each end and the box's far edge, and is 6 across.
+    let track = length - 8.0 - if corner { 10.0 } else { 0.0 };
     if span <= 0.0 || track <= 0.0 {
         return None;
     }
@@ -197,13 +200,13 @@ fn system_scrollbar(
     offset: f32,
     range: [f32; 2],
     view: f32,
+    corner: bool,
 ) -> Option<f32> {
     let along = usize::from(axis == Axis::Y);
     let rect = ui.rect(ui.current())?;
     let span = range[1] - range[0];
     let thickness = ui.scrollers.as_ref()?.thickness;
-    // The far end leaves the corner beside the other axis's scroller.
-    let length = rect[along + 2] - rect[along] - thickness;
+    let length = rect[along + 2] - rect[along] - if corner { thickness } else { 0.0 };
     if span <= 0.0 || length <= 0.0 {
         return None;
     }
@@ -283,7 +286,7 @@ fn system_scrollbar(
             ..Spec::default()
         },
     );
-    if axis == Axis::Y {
+    if axis == Axis::Y && corner {
         // The corner between the two scrollers shows the content's white, as AppKit's does.
         ui.leaf(
             ("corner", &part),