diff --git a/lib/Support/Unix/Host.inc b/lib/Support/Unix/Host.inc
index 726e2fbcf05..c5d36ff8f9c 100644
--- a/lib/Support/Unix/Host.inc
+++ b/lib/Support/Unix/Host.inc
@@ -59,5 +59,5 @@ std::string sys::getDefaultTargetTriple() {
     Triple += getOSVersion();
   }
 
-  return Triple;
+  return Triple::normalize(Triple);
 }