diff --git a/crates/engine/src/cmd/menucmds.rs b/crates/engine/src/cmd/menucmds.rs
index 73cf96c9b..5077408e4 100644
--- a/crates/engine/src/cmd/menucmds.rs
+++ b/crates/engine/src/cmd/menucmds.rs
@@ -347,7 +347,7 @@ fn other_layers(s: &mut Session, lock: bool) -> Result<Value> {
 }
 
 /// Returns the objects [`super::select::walk_selectable`] visits that are not among the selected objects `roots` and
-/// hold none of them. A selected layer's objects count as selected. The walk goes into a plain group, but not a Shaper
+/// hold none of them. A selected layer and its objects count as selected. The walk goes into a plain group, but not a Shaper
 /// group, that holds a selected object. With `lock`, it also goes into a clip group or compound path that holds one,
 /// and includes guide paths while `guides_locked`. Without `lock`, guide paths and the objects that hold one are left
 /// out while `guides_locked`; a clip group, Shaper group, compound path and every other object that holds a selected
@@ -360,14 +360,32 @@ fn unselected(
     guides_locked: bool,
     lock: bool,
 ) -> Vec<NodeId> {
+    /// Pushes the visible guide paths in `n`, `n` included, locked ones too.
+    fn shown_guides(n: &vectorcraft_doc::Node, out: &mut Vec<NodeId>) {
+        if !n.visible {
+            return;
+        }
+        if matches!(n.kind, NodeKind::Path { guide: true, .. }) {
+            out.push(n.id);
+        }
+        for c in n.children().into_iter().flatten() {
+            shown_guides(c, out);
+        }
+    }
     let mut roots: HashSet<NodeId> = roots.iter().copied().collect();
-    roots.extend(selection.iter().filter_map(|id| d.node(*id)).filter(|n| n.is_layer()).flat_map(|l| l.layer_art(true)));
+    let layers = || selection.iter().filter_map(|id| d.node(*id)).filter(|n| n.is_layer());
+    roots.extend(layers().map(|l| l.id));
+    roots.extend(layers().flat_map(|l| l.layer_art(true)));
     let mut kept: Vec<NodeId> = roots.iter().copied().collect();
     if guides_locked && !lock {
         super::select::walk_selectable(d, iso, |n| {
             if matches!(n.kind, NodeKind::Path { guide: true, .. }) {
                 kept.push(n.id);
             }
+            // The walk skips locked objects, so the guide paths in them are looked for here.
+            for c in n.children().into_iter().flatten().filter(|c| c.locked) {
+                shown_guides(c, &mut kept);
+            }
             true
         });
     }
diff --git a/crates/engine/src/tests/menucmds.rs b/crates/engine/src/tests/menucmds.rs
index e47cabc5f..b5cb95255 100644
--- a/crates/engine/src/tests/menucmds.rs
+++ b/crates/engine/src/tests/menucmds.rs
@@ -865,6 +865,51 @@ fn hide_unselected_artwork_keeps_groups_with_locked_guides_and_the_selected_laye
     assert_eq!(selected(&s), [other]);
 }
 
+/// While Lock Guides is on, Hide › Unselected Artwork keeps a group visible when it holds a guide path that is locked
+/// itself, and hides the group's other members one by one.
+#[test]
+fn hide_unselected_artwork_keeps_groups_with_a_locked_guide_path() {
+    let mut s = session();
+    let a = rect(&mut s, 0.0, 0.0, 10.0, 10.0);
+    let guide = rect(&mut s, 40.0, 0.0, 10.0, 10.0);
+    let x = rect(&mut s, 60.0, 0.0, 10.0, 10.0);
+    sel(&mut s, &[guide, x]);
+    let g = id_of(&s.execute("object.group", &json!({})).unwrap());
+    sel(&mut s, &[guide]);
+    s.execute("view.guides.make", &json!({})).unwrap();
+    s.execute("layer.setProps", &json!({"id": guide.0, "locked": true})).unwrap();
+    s.execute("view.guides.lock", &json!({"locked": true})).unwrap();
+    sel(&mut s, &[a]);
+    assert_eq!(s.execute("object.hide.unselected", &json!({})).unwrap(), json!({"count": 1}));
+    assert_eq!([a, g, guide, x].map(|id| node(&s, id).visible), [true, true, true, false]);
+}
+
+/// Hide › Unselected Artwork keeps a group visible when it holds a selected layer whose art is all locked, and hides the
+/// group's other members one by one.
+#[test]
+fn hide_unselected_artwork_keeps_a_group_that_holds_a_selected_layer() {
+    let mut s = session();
+    let b = rect(&mut s, 0.0, 0.0, 10.0, 10.0);
+    let y = rect(&mut s, 20.0, 0.0, 10.0, 10.0);
+    let z = rect(&mut s, 40.0, 0.0, 10.0, 10.0);
+    sel(&mut s, &[y]);
+    let g = id_of(&s.execute("object.group", &json!({})).unwrap());
+    let sub = s
+        .edit("nest", |d, _| {
+            let id = d.alloc_id();
+            d.insert(Some(g), usize::MAX, Node::layer(id, "Sub", vectorcraft_doc::LayerColor::Preset(1)))
+                .map_err(|e| EngineError::Other(e.to_string()))?;
+            let art = d.remove(z).map_err(|e| EngineError::Other(e.to_string()))?;
+            d.insert(Some(id), 0, (*art).clone()).map_err(|e| EngineError::Other(e.to_string()))?;
+            Ok(id)
+        })
+        .unwrap();
+    s.execute("layer.setProps", &json!({"id": z.0, "locked": true})).unwrap();
+    sel(&mut s, &[sub]);
+    assert_eq!(s.execute("object.hide.unselected", &json!({})).unwrap(), json!({"count": 2}));
+    assert_eq!([b, g, y, sub, z].map(|id| node(&s, id).visible), [false, true, false, true, true]);
+}
+
 /// Lock Unselected Artwork locks `b`, `n` in the group that holds selected `m`, `p` on another layer, and the clip
 /// group's unselected members `c1` and clipping path `c3` in one undo step labeled "Lock". The clip group container,
 /// `c2`, the selected objects, group `g`, hidden object `h` and art `q` on a locked layer stay unlocked. `k` was locked