diff --git a/test/CodeGen/X86/memset-2.ll b/test/CodeGen/X86/memset-2.ll
index eb5597eb6ff..128799d0f56 100644
--- a/test/CodeGen/X86/memset-2.ll
+++ b/test/CodeGen/X86/memset-2.ll
@@ -1,4 +1,4 @@
-; RUN: llc -mtriple=i386-apple-darwin < %s | FileCheck %s
+; RUN: llc -mtriple=i386-apple-darwin -mcpu=yonah < %s | FileCheck %s
 
 declare void @llvm.memset.i32(i8*, i8, i32, i32) nounwind