diff --git a/onnxruntime/core/optimizer/identical_children_consolidation.cc b/onnxruntime/core/optimizer/identical_children_consolidation.cc
index 350da9605a..bbc8073268 100644
--- a/onnxruntime/core/optimizer/identical_children_consolidation.cc
+++ b/onnxruntime/core/optimizer/identical_children_consolidation.cc
@@ -45,7 +45,7 @@ std::vector<std::vector<NodeIndex>> IdenticalChildrenConsolidation::DivideIdenti
     const Graph& graph,
     Node* node,
     const string_view& op) {
-  unordered_map<string_view, std::vector<NodeIndex>> identical_children_map;
+  unordered_map<std::string, std::vector<NodeIndex>> identical_children_map;
   for (auto i = node->OutputEdgesBegin(); i != node->OutputEdgesEnd(); ++i) {
     if (i->GetNode().OpType() == op) {
       identical_children_map[IdentityBuilder(graph, i->GetNode())].push_back(i->GetNode().Index());
@@ -125,4 +125,4 @@ std::string IdenticalChildrenConsolidation::IdentityBuilder(const Graph& graph,
 
   return identity.str();
 }
-}  // namespace onnxruntime
\ No newline at end of file
+}  // namespace onnxruntime