diff --git a/marietje/api/views.py b/marietje/api/views.py
index fe25e86..98040c5 100644
--- a/marietje/api/views.py
+++ b/marietje/api/views.py
@@ -258,14 +258,14 @@ def upload(request):
     #   - If 3*U < Q: allow upload (otherwise don't)
     try:
         stats = upload_stats(request.user)
-        ratio = stats['minutes_queued'] / (3.0 * stats['minutes_upload'])
+        ratio = stats['queued_score'] / (3.0 * stats['upload_score'])
         ratiostr = '{:.2f}'.format(ratio)
     except ZeroDivisionError:
         ratio = 99999.0 # high enough
         ratiostr = "∞"
 
     if not request.user.is_superuser and ratio < 1.0:
-        msg = 'Queue-to-upload ratio too high. Please queue some more before uploading. ({})'
+        msg = 'Queue-to-upload ratio too low. Please queue more <em title="8:00 to 21:00 during weekdays">during regular opening hours</em> to improve the ratio. (Ratio: {} ≱ 1.00)'
         return JsonResponse({'success': False, 'errorMessage': msg.format(ratiostr)})
 
     for i, file in enumerate(files):
@@ -282,7 +282,6 @@ def upload(request):
     upload_counter.inc()
     return JsonResponse({'success': True})
 
-
 @require_http_methods(["POST"])
 @api_auth_required
 def volume_down(request):
@@ -312,10 +311,28 @@ def mute(request):
     command.save()
     return JsonResponse({})
 
-@transaction.atomic
 def upload_stats(user):
-    q = PlaylistSong.objects.filter(user=user, state=2, song__deleted=False).aggregate(
-        minutes_queued=Coalesce(Sum('song__duration'), Value(0)))
-    q.update(Song.objects.filter(user=user, deleted=False).aggregate(
-        minutes_upload=Coalesce(Sum('duration'), Value(0))))
-    return q
+    songs_queued = PlaylistSong.objects.select_related('song').filter(
+        user=user, state=2, song__deleted=False)
+    queued_score = sum(_request_weight(x) for x in songs_queued)
+    upload_score = Song.objects.filter(
+        user=user, deleted=False).aggregate(
+            minutes_upload=Coalesce(Sum('duration'), Value(0)))
+    return {'queued_score': queued_score, 'upload_score': upload_score}
+
+@transaction.atomic
+def _request_weight(ps):
+    def _is_regular_queue(ps):
+        if not ps.played_at:
+            # Request is from the old times, assume good
+            return True
+        if not 0 < ps.played_at.weekday() <= 4:
+            return False # Queued in the weekend
+        if not 8 <= ps.played_at.hour <= 21:
+            return False # Queued outside of regular opening hours
+        return True
+
+    if _is_regular_queue(ps):
+        return float(ps.song.duration)
+    # Count other requests for 10%
+    return 0.10 * float(ps.song.duration)