diff --git a/pandora/item/models.py b/pandora/item/models.py
index d31c21e7..1b79a700 100644
--- a/pandora/item/models.py
+++ b/pandora/item/models.py
@@ -1085,7 +1085,8 @@ class Item(models.Model):
                     annotation.save()
             #otherwise add empty 5 seconds annotation every minute
             if not subtitles_added:
-                for i in range(int (offset / 60) * 60 + 60,
+                start = offset and int (offset / 60) * 60 + 60 or 0
+                for i in range(start,
                                int(offset + f.duration) - 5,
                                60):
                     annotation = Annotation(