diff --git a/crates/ui-egui/src/panels/stroke.rs b/crates/ui-egui/src/panels/stroke.rs
index 86de5f204..d668e504a 100644
--- a/crates/ui-egui/src/panels/stroke.rs
+++ b/crates/ui-egui/src/panels/stroke.rs
@@ -642,6 +642,11 @@ mod tests {
             let texts = frame(&mut app, vec![]);
             assert_eq!(stroke(&app)[which], low, "{shown}: {:?}", stroke(&app));
             assert!(texts.iter().any(|(t, _)| t == after), "{shown} → {after}: {texts:?}");
+            // At the bound, a step down and a step up in one frame end one step above it.
+            let key = |key| Event::Key { key, physical_key: None, pressed: true, repeat: false, modifiers: Modifiers::NONE };
+            frame(&mut app, vec![key(egui::Key::ArrowDown), key(egui::Key::ArrowUp)]);
+            let texts = frame(&mut app, vec![]);
+            assert!(texts.iter().any(|(t, _)| t == shown), "{after}, down and up → {shown}: {texts:?}");
         }
     }
 }
diff --git a/crates/ui-egui/src/widgets.rs b/crates/ui-egui/src/widgets.rs
index a89a84586..00452d98d 100644
--- a/crates/ui-egui/src/widgets.rs
+++ b/crates/ui-egui/src/widgets.rs
@@ -390,6 +390,8 @@ fn step_value(
     let mut v = read(buf)?;
     for (mods, size, n) in steps {
         v = if mods == egui::Modifiers::SHIFT { v + size * n } else { step_to_multiple(v, size, n) };
+        // Each step stops at the bounds, so a step back in the same frame starts from there.
+        v = within(v, bounds);
     }
     // Rounded as fields show it, within the field's bounds.
     let v = within(round_to(v, STEP_DECIMALS), bounds);