diff --git a/src/awkward/index.py b/src/awkward/index.py
index 70bcb254bd..310725dcb3 100644
--- a/src/awkward/index.py
+++ b/src/awkward/index.py
@@ -145,10 +145,10 @@ def __cuda_array_interface__(self):
     def __array_interface__(self):
         return self._data.__array_interface__
 
-    def __dlpack__(self) -> tuple[int, int]:
+    def __dlpack_device__(self) -> tuple[int, int]:
         return self._data.__dlpack_device__()
 
-    def __dlpack_device__(self, stream: Any = None) -> Any:
+    def __dlpack__(self, stream: Any = None) -> Any:
         if stream is None:
             return self._data.__dlpack__()
         else: