diff --git a/mmengine/structures/instance_data.py b/mmengine/structures/instance_data.py
index 369d445f28..9de326cf25 100644
--- a/mmengine/structures/instance_data.py
+++ b/mmengine/structures/instance_data.py
@@ -26,7 +26,7 @@
     LongTypeTensor = Union[torch.LongTensor, torch.cuda.LongTensor]
 
 IndexType: Union[Any] = Union[str, slice, int, list, LongTypeTensor,
-                              BoolTypeTensor, np.ndarray]
+                              BoolTypeTensor, np.ndarray, torch.Tensor] # torch.Tensor is added to support mps device tensor types
 
 
 # Modified from