diff --git a/clang-tools-extra/clang-tidy/ClangTidyOptions.cpp b/clang-tools-extra/clang-tidy/ClangTidyOptions.cpp
index 19ba47f005dc88..6b28cb2bdd13da 100644
--- a/clang-tools-extra/clang-tidy/ClangTidyOptions.cpp
+++ b/clang-tools-extra/clang-tidy/ClangTidyOptions.cpp
@@ -70,7 +70,7 @@ struct NOptionMap {
   NOptionMap(IO &, const ClangTidyOptions::OptionMap &OptionMap) {
     Options.reserve(OptionMap.size());
     for (const auto &KeyValue : OptionMap)
-      Options.emplace_back(KeyValue.getKey(), KeyValue.getValue().Value);
+      Options.emplace_back(std::string(KeyValue.getKey()), KeyValue.getValue().Value);
   }
   ClangTidyOptions::OptionMap denormalize(IO &) {
     ClangTidyOptions::OptionMap Map;