diff --git a/test/CodeGen/PowerPC/2012-10-12-bitcast.ll b/test/CodeGen/PowerPC/2012-10-12-bitcast.ll
index e7dc706a889..f841c5fb92e 100644
--- a/test/CodeGen/PowerPC/2012-10-12-bitcast.ll
+++ b/test/CodeGen/PowerPC/2012-10-12-bitcast.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s | FileCheck %s
+; RUN: llc -mattr=+altivec < %s | FileCheck %s
 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
 target triple = "powerpc64-unknown-linux-gnu"