diff --git a/clang/test/CodeGen/bitfield-promote.c b/clang/test/CodeGen/bitfield-promote.c
index 93aaa9d8b7a0..437cd0eb5088 100644
--- a/clang/test/CodeGen/bitfield-promote.c
+++ b/clang/test/CodeGen/bitfield-promote.c
@@ -1,4 +1,4 @@
-// RUN: %clang -O3 -emit-llvm -S -o - %s | FileCheck %s
+// RUN: %clang -target i686-unknown-unknown -O3 -emit-llvm -S -o - %s | FileCheck %s
 
 long long f0(void) {
  struct { unsigned f0 : 32; } x = { 18 };