diff --git a/torch/_inductor/utils.py b/torch/_inductor/utils.py
index 197764dc130e..652d1b85cfc6 100644
--- a/torch/_inductor/utils.py
+++ b/torch/_inductor/utils.py
@@ -2752,7 +2752,9 @@ def copy_misaligned_inputs(
     ret_pair_defined = return_pair_idxs is not None
     for i in check_inputs_idxs:
         _inp = new_inputs[i]
-        assert isinstance(_inp, torch.Tensor)
+        assert isinstance(_inp, torch.Tensor), (
+            f"Expected tensors only, but got: {type(_inp)}"
+        )
         if _inp.data_ptr() % ALIGNMENT:
             new_inputs[i] = clone_preserve_strides(_inp)