diff --git a/renderer/app.js b/renderer/app.js
index 6914a96..108ab49 100644
--- a/renderer/app.js
+++ b/renderer/app.js
@@ -1354,8 +1354,8 @@ function _markSkippedJobs(result) {
 
 async function startSelectedUpload() {
   if (uploading) {
-    // Batch already running — add selected jobs to the running batch
-    const retryable = queueJobs.filter(j => selectedJobIds.has(j.id) && ['queued', 'error', 'aborted', 'skipped'].includes(j.status));
+    // Batch already running — only add error/aborted/skipped jobs (not already-queued ones)
+    const retryable = queueJobs.filter(j => selectedJobIds.has(j.id) && ['error', 'aborted', 'skipped'].includes(j.status));
     if (retryable.length > 0) {
       retryable.forEach(j => {
         j.status = 'queued'; j.error = null; j.result = null;
@@ -1367,6 +1367,13 @@ async function startSelectedUpload() {
       });
       _markSkippedJobs(result);
       persistQueueStateSoon();
+      showCopyToast(`${retryable.length} Jobs zum laufenden Upload hinzugefügt`);
+    } else {
+      // All selected jobs are already queued/uploading — just inform user
+      const waiting = queueJobs.filter(j => selectedJobIds.has(j.id) && j.status === 'queued');
+      if (waiting.length > 0) {
+        showCopyToast(`${waiting.length} Jobs warten bereits auf ihren Upload-Slot`);
+      }
     }
     return;
   }