diff --git a/test/CodeGen/X86/hoist-common.ll b/test/CodeGen/X86/hoist-common.ll
index 2b1550a..72e17c0 100644
--- a/test/CodeGen/X86/hoist-common.ll
+++ b/test/CodeGen/X86/hoist-common.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64  | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-apple-macosx  | FileCheck %s
 
 ; Common "xorb al, al" instruction in the two successor blocks should be
 ; moved to the entry block above the test + je.