diff --git a/python/sglang/srt/mem_cache/storage/nixl/nixl_utils.py b/python/sglang/srt/mem_cache/storage/nixl/nixl_utils.py
index b04f9e58d..7cabb9d7e 100644
--- a/python/sglang/srt/mem_cache/storage/nixl/nixl_utils.py
+++ b/python/sglang/srt/mem_cache/storage/nixl/nixl_utils.py
@@ -106,7 +106,7 @@ class NixlRegistration:
                 return []
             return [(0, 0, 0, file_manager.get_file_path(key))]
         else:  # OBJ
-            return [(0, 0, key)]
+            return [(0, 0, 0, key)]
 
     def _register_memory(
         self,