diff --git a/src/App.js b/src/App.js
index 7966eb8..de15bb5 100644
--- a/src/App.js
+++ b/src/App.js
@@ -398,7 +398,11 @@ function App() {
           if (job?.status === 'running') {
             const total = job.total || 0;
             const processed = job.processed || 0;
-            const percent = total > 0 ? Math.min(95, 10 + Math.round((processed / total) * 80)) : undefined;
+            let percent;
+            if (total > 0) {
+              const ratio = Math.max(0, Math.min(1, processed / total));
+              percent = Math.min(99, 5 + Math.round(ratio * 90));
+            }
             let etaSeconds = null;
             if (total > 0 && processed > 0) {
               const elapsedSeconds = Math.max(1, (Date.now() - jobStartedAt) / 1000);
@@ -414,7 +418,7 @@ function App() {
             updateSyncProgress(message, percent, { etaSeconds });
           } else if (!job) {
             if (statusData.storesFresh) {
-              updateSyncProgress('Betriebe aktuell.', 90, { etaSeconds: null });
+              updateSyncProgress('Betriebe aktuell.', 99, { etaSeconds: null });
               completed = true;
             } else if (!jobStarted) {
               await triggerRefresh();
@@ -423,7 +427,7 @@ function App() {
               updateSyncProgress('Warte auf Rückmeldung...', undefined, { etaSeconds: null });
             }
           } else if (job.status === 'done') {
-            updateSyncProgress('Synchronisierung abgeschlossen', 95, { etaSeconds: null });
+            updateSyncProgress('Synchronisierung abgeschlossen', 100, { etaSeconds: null });
             completed = true;
           } else if (job.status === 'error') {
             throw new Error(job.error || 'Unbekannter Fehler beim Prüfen der Betriebe.');