diff --git a/test/CodeGen/X86/2012-02-23-mmx-inlineasm.ll b/test/CodeGen/X86/2012-02-23-mmx-inlineasm.ll
index 1d239d6667d..a55c77bd226 100644
--- a/test/CodeGen/X86/2012-02-23-mmx-inlineasm.ll
+++ b/test/CodeGen/X86/2012-02-23-mmx-inlineasm.ll
@@ -1,4 +1,4 @@
-; RUN: llc -mcpu=i686 -mattr=+mmx < %s | FileCheck %s
+; RUN: llc -march=x86 -mcpu=i686 -mattr=+mmx < %s | FileCheck %s
 ; <rdar://problem/10106006>
 
 define void @func() nounwind ssp {