diff --git a/onnxruntime/core/graph/graph.cc b/onnxruntime/core/graph/graph.cc
index 5f3de37128..d639e0c070 100644
--- a/onnxruntime/core/graph/graph.cc
+++ b/onnxruntime/core/graph/graph.cc
@@ -2062,7 +2062,7 @@ Status Graph::InferAndVerifyTypeMatch(Node& node, const OpSchema& op, const Reso
           // The type-parameter T is bound to different values for different inputs.
           Status status(ONNXRUNTIME, FAIL,
                         "Type Error: Type parameter (" + op_formal_parameter.GetTypeStr() +
-                            ") bound to different types (" + *(param_to_type_iter->second) +
+                            ") of Optype (" + op.Name() + ") bound to different types (" + *(param_to_type_iter->second) +
                             " and " + *(input_def->Type()) +
                             " in node (" + node_name + ").");
           return status;