diff --git a/bolt/lib/Core/BinaryContext.cpp b/bolt/lib/Core/BinaryContext.cpp
index 82ede09c29ddf..73059ef23775a 100644
--- a/bolt/lib/Core/BinaryContext.cpp
+++ b/bolt/lib/Core/BinaryContext.cpp
@@ -201,7 +201,7 @@ Expected<std::unique_ptr<BinaryContext>> BinaryContext::createBinaryContext(
 
   std::string Error;
   const Target *TheTarget =
-      TargetRegistry::lookupTarget(std::string(ArchName), TheTriple, Error);
+      TargetRegistry::lookupTarget(ArchName, TheTriple, Error);
   if (!TheTarget)
     return createStringError(make_error_code(std::errc::not_supported),
                              Twine("BOLT-ERROR: ", Error));