diff --git a/test/CodeGen/X86/red-zone.ll b/test/CodeGen/X86/red-zone.ll
index 1ffb4e3c78f..d9369712359 100644
--- a/test/CodeGen/X86/red-zone.ll
+++ b/test/CodeGen/X86/red-zone.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64 | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
 
 ; First without noredzone.
 ; CHECK: f0: