diff --git a/frontend/src/lib/person/genealogy/StammbaumTree.svelte.test.ts b/frontend/src/lib/person/genealogy/StammbaumTree.svelte.test.ts
index 9b67f862..073e7acb 100644
--- a/frontend/src/lib/person/genealogy/StammbaumTree.svelte.test.ts
+++ b/frontend/src/lib/person/genealogy/StammbaumTree.svelte.test.ts
@@ -568,12 +568,15 @@ describe('StammbaumTree keyboard pan/zoom (#692)', () => {
 		const opts = (x: number) => ({ pointerId: 1, clientX: x, clientY: 100, bubbles: true });
 		svg.dispatchEvent(new PointerEvent('pointerdown', opts(100)));
 		svg.dispatchEvent(new PointerEvent('pointermove', opts(160)));
-		svg.dispatchEvent(new PointerEvent('pointerup', opts(160)));
 
+		// Assert on the move's emission *before* releasing: inertia starts on
+		// pointerup and could otherwise perturb the last recorded call.
 		expect(onPanZoom).toHaveBeenCalled();
 		// Dragging right reveals content to the left → pan x decreases.
 		expect(onPanZoom.mock.calls.at(-1)![0].x).toBeLessThan(0);
 
+		svg.dispatchEvent(new PointerEvent('pointerup', opts(160)));
+
 		// The synthetic click after a real drag must not select the node.
 		node.dispatchEvent(new MouseEvent('click', { bubbles: true }));
 		expect(onSelect).not.toHaveBeenCalled();