diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index a7af861541b8..d372914dfaaf 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -7066,7 +7066,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   Args.AddLastArg(CmdArgs, options::OPT_fapinotes_swift_version);
 
   if (Args.hasFlag(options::OPT_freflection_latest,
-                   options::OPT_fno_reflection_latest, false)) {
+                   options::OPT_fno_reflection_latest, true)) {
     CmdArgs.push_back("-freflection");
     CmdArgs.push_back("-fparameter-reflection");
     CmdArgs.push_back("-fannotation-attributes");