diff --git a/onnxruntime/python/tools/symbolic_shape_infer.py b/onnxruntime/python/tools/symbolic_shape_infer.py
index e5157f90ee..2af4b8a4fe 100755
--- a/onnxruntime/python/tools/symbolic_shape_infer.py
+++ b/onnxruntime/python/tools/symbolic_shape_infer.py
@@ -41,6 +41,13 @@ def get_shape_from_type_proto(type_proto):
         return None  # note no shape is different from shape without dim (scalar)
 
 
+def get_elem_type_from_type_proto(type_proto):
+    if is_sequence(type_proto):
+        return type_proto.sequence_type.elem_type.tensor_type.elem_type
+    else:
+        return type_proto.tensor_type.elem_type
+
+
 def get_shape_from_value_info(vi):
     cls_type = vi.type.WhichOneof("value")
     if cls_type is None:
@@ -570,7 +577,7 @@ class SymbolicShapeInference:
         vi.CopyFrom(
             helper.make_tensor_value_info(
                 node.output[0],
-                self.known_vi_[node.input[0]].type.tensor_type.elem_type,
+                get_elem_type_from_type_proto(self.known_vi_[node.input[0]].type),
                 self._get_shape(node, 0),
             )
         )