diff --git a/app/templates/v2/screens/quellen.html b/app/templates/v2/screens/quellen.html
index b2cdb95..225fdd4 100644
--- a/app/templates/v2/screens/quellen.html
+++ b/app/templates/v2/screens/quellen.html
@@ -396,7 +396,9 @@ async function runSearch(ev) {
     form._quellenBound = true;
     form.addEventListener('submit', (ev) => {
       ev.preventDefault();
-      runSearch();
+      // Microtask-Queue erst leeren, sonst hängt der fetch in manchen
+      // Browsern beobachtbar (Submit-State blockt anschließenden fetch).
+      setTimeout(runSearch, 0);
     });
   }
   document.querySelectorAll('input[name="qfilter"]').forEach(r => {