diff --git a/net/third_party/quic/platform/impl/quic_flags_impl.cc b/net/third_party/quic/platform/impl/quic_flags_impl.cc
index 5e6962d1e..2456c80dd 100644
--- a/net/third_party/quic/platform/impl/quic_flags_impl.cc
+++ b/net/third_party/quic/platform/impl/quic_flags_impl.cc
@@ -153,9 +153,9 @@ std::string QuicFlagRegistry::GetHelp() const {
 template <>
 bool TypedQuicFlagHelper<bool>::SetFlag(const std::string& s) const {
   static const base::NoDestructor<std::set<std::string>> kTrueValues(
-      {"", "1", "t", "true", "y", "yes"});
+      std::initializer_list<std::string>({"", "1", "t", "true", "y", "yes"}));
   static const base::NoDestructor<std::set<std::string>> kFalseValues(
-      {"0", "f", "false", "n", "no"});
+      std::initializer_list<std::string>({"0", "f", "false", "n", "no"}));
   if (kTrueValues->find(base::ToLowerASCII(s)) != kTrueValues->end()) {
     *flag_ = true;
     return true;