diff --git a/crates/oa-desktop/src/app/scenario_reorder/summary_tests.rs b/crates/oa-desktop/src/app/scenario_reorder/summary_tests.rs
index 93f4555e..b1715965 100644
--- a/crates/oa-desktop/src/app/scenario_reorder/summary_tests.rs
+++ b/crates/oa-desktop/src/app/scenario_reorder/summary_tests.rs
@@ -4,7 +4,7 @@ use crate::behavior::scenario_layout::Representation;
 use crate::diagram_usage::Target;
 use oa_core::{Diagram, DiagramLayout, Layer, OccurrenceBody, ProjectionKind, ScenarioLayout};
 
-fn committed() -> (App, Id, Id, oa_core::SourceBundle) {
+fn committed() -> (App, Id, Id, oa_core::source_project::SourceBundle) {
     let f = direct_tests::fixture();
     let mut project = f.project;
     let mut extra = project
@@ -180,3 +180,52 @@ fn scenario_reorder_summary_selection_generation_aba_is_not_a_camera_change() {
     app.scenario_reorder_reconcile();
     assert!(app.scenario_reorder.summary.is_none());
 }
+
+#[test]
+fn scenario_reorder_summary_clears_after_real_spacing_commit_without_another_event() {
+    use crate::behavior::scenario::spacing::{Event as Spacing, Target as SpacingTarget};
+    let (mut app, owner, call, _) = committed();
+    let reordered = app.document.snapshot();
+    let selection = app.multiselect_snapshot().unwrap();
+    let begin =
+        crate::app::scenario_spacing::tests::packet_for_app(&app, SpacingTarget::Message(call));
+    let Spacing::Begin { press_screen, .. } = begin else {
+        unreachable!()
+    };
+    let _ = app.update(Message::ScenarioCanvas(CanvasEvent::Spacing(begin)));
+    assert_eq!(app.behavior.scenario.spacing_token(), Some(begin.token()));
+    assert!(app.scenario_reorder.summary.is_some());
+    let screen = press_screen + iced::Vector::new(0., 24.);
+    let _ = app.update(Message::ScenarioCanvas(CanvasEvent::Spacing(
+        Spacing::Move {
+            stamp: begin.stamp(),
+            token: begin.token(),
+            screen,
+        },
+    )));
+    assert_eq!(app.document.bundle(), &reordered.bundle);
+    let finish = Spacing::Finish {
+        stamp: begin.stamp(),
+        token: begin.token(),
+        screen,
+    };
+    let _ = app.update(Message::ScenarioCanvas(CanvasEvent::Spacing(finish)));
+    assert_ne!(
+        app.document.bundle(),
+        &reordered.bundle,
+        "spacing must actually commit: {}",
+        app.status
+    );
+    assert_eq!(
+        app.project().elements[&owner].steps(),
+        reordered.decoded.project.elements[&owner].steps()
+    );
+    assert_eq!(
+        app.multiselect_snapshot().unwrap().targets(),
+        selection.targets()
+    );
+    assert!(app.scenario_reorder.summary.is_none());
+    assert!(app.scenario_reorder.summary_selection.is_none());
+    let _ = app.update(Message::Undo);
+    assert_eq!(app.document.bundle(), &reordered.bundle);
+}
diff --git a/crates/oa-desktop/src/app/scenario_spacing.rs b/crates/oa-desktop/src/app/scenario_spacing.rs
index 37a7bd33..714d1568 100644
--- a/crates/oa-desktop/src/app/scenario_spacing.rs
+++ b/crates/oa-desktop/src/app/scenario_spacing.rs
@@ -165,6 +165,7 @@ impl App {
                     Err(error) => self.status = refusal_reason(&error),
                 }
                 self.reconcile_multiselect();
+                self.scenario_reorder_reconcile();
             }
             Event::Cancel { .. } => unreachable!(),
         }