diff --git a/renderer/app.js b/renderer/app.js
index 50bc7b4..b75c87d 100644
--- a/renderer/app.js
+++ b/renderer/app.js
@@ -99,6 +99,7 @@ async function init() {
   syncSelectedUploadHosters();
   restoreQueueStateFromConfig();
   await _autoDeduplicateFromLog();
+  _hydrateMissingJobSizes();
   renderHosterSummary();
   renderHosterModal();
   renderSettings();
@@ -997,12 +998,54 @@ function scheduleStatusChangeUpdate() {
   });
 }
 
+function _hydrateMissingJobSizes(jobsLike) {
+  if (!window.api || !window.api.getFileSizes) return;
+  const paths = [];
+  const seen = new Set();
+  const source = Array.isArray(jobsLike) ? jobsLike : queueJobs;
+  for (const j of source) {
+    if (!j || !j.file) continue;
+    if (j.bytesTotal && j.bytesTotal > 0) continue;
+    if (seen.has(j.file)) continue;
+    seen.add(j.file);
+    paths.push(j.file);
+  }
+  if (paths.length === 0) return;
+  window.api.getFileSizes(paths).then((sizeMap) => {
+    if (!sizeMap || typeof sizeMap !== 'object') return;
+    let changed = false;
+    for (const j of queueJobs) {
+      if (sizeMap[j.file] && (!j.bytesTotal || j.bytesTotal === 0)) {
+        j.bytesTotal = sizeMap[j.file];
+        changed = true;
+      }
+    }
+    for (const f of selectedFiles) {
+      if (sizeMap[f.path] && (!f.size || f.size === 0)) f.size = sizeMap[f.path];
+    }
+    if (changed) {
+      _queueStatsCache = null;
+      if (typeof renderQueueTable === 'function') renderQueueTable();
+      if (typeof updateStatusBar === 'function') updateStatusBar();
+    }
+  }).catch(() => {});
+}
+
+function _formatUploadedSize(job) {
+  const bt = job.bytesTotal || 0;
+  const bu = job.bytesUploaded || 0;
+  const s = job.status;
+  if (s === 'preview') return bt > 0 ? formatSize(bt) : '...';
+  if (s === 'queued' || s === 'getting-server' || s === 'retrying') {
+    return bt > 0 ? `${formatSize(bu)} / ${formatSize(bt)}` : '...';
+  }
+  return `${formatSize(bu)} / ${formatSize(bt)}`;
+}
+
 function buildRowHtml(job) {
   const statusClass = `status-${job.status}`;
   const rowClass = `queue-row ${statusClass}${selectedJobIds.has(job.id) ? ' selected' : ''}`;
-  const uploadedSize = job.status === 'preview'
-    ? (job.bytesTotal > 0 ? formatSize(job.bytesTotal) : '...')
-    : `${formatSize(job.bytesUploaded)} / ${formatSize(job.bytesTotal)}`;
+  const uploadedSize = _formatUploadedSize(job);
   const statusText = getStatusText(job);
   const elapsed = formatTime(job.elapsed);
   const remaining = formatTime(job.remaining);
@@ -1032,9 +1075,7 @@ function buildRowHtml(job) {
 // In-place update of a single row's cells (avoids full innerHTML rebuild)
 function _updateRowInPlace(tr, job) {
   const statusClass = `status-${job.status}`;
-  const uploadedSize = job.status === 'preview'
-    ? (job.bytesTotal > 0 ? formatSize(job.bytesTotal) : '...')
-    : `${formatSize(job.bytesUploaded)} / ${formatSize(job.bytesTotal)}`;
+  const uploadedSize = _formatUploadedSize(job);
   const statusText = getStatusText(job);
   const elapsed = formatTime(job.elapsed);
   const remaining = formatTime(job.remaining);
@@ -1728,6 +1769,7 @@ async function startUpload() {
   if (uploading) return;
   uploading = true; // set immediately to prevent double-click race
   updateQueueActionButtons();
+  _hydrateMissingJobSizes();
 
   const hosters = getSelectedHosters();
   if (queueJobs.length === 0 && selectedFiles.length > 0) {
@@ -1800,6 +1842,7 @@ function _markSkippedJobs(result) {
 
 async function startSelectedUpload() {
   if (uploading) {
+    _hydrateMissingJobSizes();
     const addable = queueJobs.filter(j => selectedJobIds.has(j.id) && isStartableQueueStatus(j.status));
     if (addable.length === 0) {
       if (selectedJobIds.size > 0) showCopyToast('Keine startbaren Jobs ausgewählt (alle laufen schon oder sind fertig).');