diff --git a/e2e/map-interactions.spec.ts b/e2e/map-interactions.spec.ts
index b8e69ae..ec0bc76 100644
--- a/e2e/map-interactions.spec.ts
+++ b/e2e/map-interactions.spec.ts
@@ -562,7 +562,7 @@ test('plane marker stays continuous across the antimeridian (no 360° teleport)'
     for (let i = 1; i < lons.length; i++) {
       expect(Math.abs(lons[i]! - lons[i - 1]!), `marker jumped between samples ${i - 1} and ${i}`).toBeLessThan(180); // the ISS-124 bug
     }
-    expect(lons.some((lon) => lon > 180), `sampled lons (n=${lons.length}): ${JSON.stringify(lons)}`).toBe(true); // crossed onto the east world copy (NZAA→NFTF is eastward)
+    expect(lons.some((lon) => Math.abs(lon) > 180), `sampled lons (n=${lons.length}): ${JSON.stringify(lons)}`).toBe(true); // crossed onto a world copy, either side of ±180
     expect(Math.max(...lons) - Math.min(...lons), `lon span: min=${Math.min(...lons).toFixed(4)} max=${Math.max(...lons).toFixed(4)} over ${JSON.stringify(lons)}`).toBeGreaterThan(4); // traversed the crossing region, not a static window
   } finally {
     // Cleanup: let any in-flight leg land, then chain back home so the other specs start from the canonical