diff --git a/tests/integration/tests/63-pbs-history-targets.spec.ts b/tests/integration/tests/63-pbs-history-targets.spec.ts
index 2abc4c08c8..9766fe731e 100644
--- a/tests/integration/tests/63-pbs-history-targets.spec.ts
+++ b/tests/integration/tests/63-pbs-history-targets.spec.ts
@@ -116,7 +116,18 @@ for (const width of [1280, 390]) {
     await page.route('**/api/metrics-store/history?**', async route => {
       const q = new URL(route.request().url()).searchParams;
       targets.push(`${q.get('resourceType')}/${q.get('resourceId')}`);
-      await route.fulfill({ json: { metrics: { cpu: [0, 1, 2].map(i => ({ timestamp: Date.now() - (2-i)*60000, value: 10+i, min: 10+i, max: 10+i, count: 1 })), memory: [0, 1, 2].map(i => ({ timestamp: Date.now() - (2-i)*60000, value: 20+i, min: 20+i, max: 20+i, count: 1 })) }, resourceId: q.get('resourceId'), resourceType: q.get('resourceType') } });
+      // Match the real history envelope. Response admission deliberately rejects
+      // missing selection/range bounds, even when the metric points are valid.
+      const end = Date.now();
+      const start = end - 120_000;
+      await route.fulfill({ json: {
+        resourceId: q.get('resourceId'), resourceType: q.get('resourceType'),
+        range: q.get('range') || '24h', start, end, source: 'store',
+        metrics: {
+          cpu: [0, 1, 2].map(i => ({ timestamp: start + i*60000, value: 10+i, min: 10+i, max: 10+i, count: 1 })),
+          memory: [0, 1, 2].map(i => ({ timestamp: start + i*60000, value: 20+i, min: 20+i, max: 20+i, count: 1 })),
+        },
+      } });
     });
     await page.goto('/proxmox/backups', { waitUntil: 'domcontentloaded' });
     for (const type of ['vm', 'agent']) {