diff --git a/dlibrary.py b/dlibrary.py
index 15d5079..c721202 100755
--- a/dlibrary.py
+++ b/dlibrary.py
@@ -210,8 +210,11 @@ def collate(args):
 
     con.close()
 
+def self_and_parents(path):
+    return [path] + list(path.parents)
+
 def manual_collate(args):
-    work_id = args.paths[0].relative_to(args.destdir / 'extract').parents[-2].name
+    work_id = self_and_parents(args.paths[0].relative_to(args.destdir / 'extract'))[-2].name
 
     collation_dir = args.destdir / 'site' / 'images' / work_id
     if collation_dir.exists() and len(list(collation_dir.iterdir())) > 0: