diff --git a/test/CodeGen/X86/vec_shuffle-39.ll b/test/CodeGen/X86/vec_shuffle-39.ll
index 6c889b851be..f9c00eb0c89 100644
--- a/test/CodeGen/X86/vec_shuffle-39.ll
+++ b/test/CodeGen/X86/vec_shuffle-39.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64 | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
 ; rdar://10050222, rdar://10134392
 
 define <4 x float> @t1(<4 x float> %a, <1 x i64>* nocapture %p) nounwind {