sorted_by_offset[i] = objects + i;
        qsort(sorted_by_offset, nr_objects, sizeof(*sorted_by_offset), pack_offset_sort);
 
-       for (i = 0; i < nr_objects; i++)
-               check_object(sorted_by_offset[i]);
+       for (i = 0; i < nr_objects; i++) {
+               struct object_entry *entry = sorted_by_offset[i];
+               check_object(entry);
+               if (big_file_threshold <= entry->size)
+                       entry->no_try_delta = 1;
+       }
 
        free(sorted_by_offset);
 }