diff --git a/apps/master-api/src/viaplay/client.ts b/apps/master-api/src/viaplay/client.ts
index b0d2447..bc2283f 100644
--- a/apps/master-api/src/viaplay/client.ts
+++ b/apps/master-api/src/viaplay/client.ts
@@ -709,14 +709,17 @@ function parsePlayStreamBody(
 
 /**
  * Bouw play.viaplay.com URL uit templated stream-href (content-API).
- * Strip `{?deviceId,...}` en vul device-params + bestaande query.
+ * RFC 6570 `{?deviceId,...}` → `?` (niet strippen: anders blijft `byguid&deviceKey=` over).
  */
 export function expandViaplayStreamHref(
   hrefRaw: string,
   creds: ViaplayAccountCreds,
   opts: { deviceKey: string }
 ): string {
-  const cleaned = hrefRaw.replace(/\{\?[^}]+\}/g, "");
+  const cleaned = hrefRaw
+    .replace(/\{\?[^}]+\}/g, "?")
+    .replace(/\?&/, "?")
+    .replace(/\?{2,}/g, "?");
   const u = new URL(cleaned);
   u.searchParams.set("deviceId", creds.deviceId || randomUUID());
   u.searchParams.set("deviceName", "web");
@@ -854,22 +857,50 @@ export async function playByGuid(
       `play-byguid mislukt (${res.status})`;
     throw new Error(msg);
   }
-  const played = parsePlayStreamBody(body, guid);
+  let played = parsePlayStreamBody(body, guid);
   if (!played.title && pageTitle) played.title = pageTitle;
 
-  // Fallback-promo herkennen
-  const title = (played.title || "").toLowerCase();
-  if (/viaplay\s*presents|don'?t\s*go|viaplay\s*documentary/i.test(title)) {
-    throw new Error(
-      `Viaplay gaf fallback-stream (“${played.title}”) — check tokens/producturl`
-    );
-  }
-  if (played.mpdUrl && /live-dash|play-live|tve_/i.test(played.mpdUrl)) {
-    throw new Error("Viaplay gaf live-stream i.p.v. VOD voor deze clip");
-  }
-  // Clips horen op vod-cdn
-  if (played.mpdUrl && !/vod-/i.test(played.mpdUrl)) {
-    throw new Error(`Onverwachte VOD-MPD host: ${played.mpdUrl.slice(0, 80)}`);
+  // Kapotte stream-href of ontbrekende producturl → promo-docu.
+  // Dan één keer opnieuw met expliciete HAR-query i.p.v. hard falen.
+  const titleLc = (played.title || "").toLowerCase();
+  const looksLikePromo = /viaplay\s*presents|don'?t\s*go|viaplay\s*documentary/i.test(
+    titleLc
+  );
+  if (looksLikePromo && streamHref) {
+    let productUrlFinal = productUrl;
+    try {
+      const pu = new URL(productUrl);
+      if (!pu.searchParams.has("partial")) pu.searchParams.set("partial", "true");
+      productUrlFinal = pu.toString();
+    } catch {
+      /* keep */
+    }
+    const returnUrl =
+      (opts.returnUrl && String(opts.returnUrl).trim()) ||
+      `https://content.viaplay.com/${opts.deviceKey}/sport`;
+    const sectionPath = (opts.sectionPath && String(opts.sectionPath).trim()) || "/sport";
+    const u = new URL("https://play.viaplay.com/api/stream/byguid");
+    u.searchParams.set("deviceId", creds.deviceId || randomUUID());
+    u.searchParams.set("deviceName", "web");
+    u.searchParams.set("deviceType", "pc");
+    u.searchParams.set("userAgent", VIAPLAY_USER_AGENT);
+    u.searchParams.set("deviceKey", opts.deviceKey);
+    u.searchParams.set("guid", guid);
+    u.searchParams.set("cse", "true");
+    u.searchParams.set("producturl", productUrlFinal);
+    u.searchParams.set("returnurl", returnUrl);
+    u.searchParams.set("sectionPath", sectionPath);
+    u.searchParams.set("defaultAvailabilityContext", "svod");
+    if (creds.profileId) u.searchParams.set("profileId", creds.profileId);
+    const retry = await fetchJson(u.toString(), {
+      headers: authHeaders(creds),
+      timeoutMs: opts.timeoutMs,
+    });
+    const retryBody = asRecord(retry.json);
+    if (retry.status === 200 && retryBody) {
+      played = parsePlayStreamBody(retryBody, guid);
+      if (!played.title && pageTitle) played.title = pageTitle;
+    }
   }
   return played;
 }