diff --git a/test/CodeGen/blocks-aligned-byref-variable.c b/test/CodeGen/blocks-aligned-byref-variable.c
index 79ac41d..07d683c 100644
--- a/test/CodeGen/blocks-aligned-byref-variable.c
+++ b/test/CodeGen/blocks-aligned-byref-variable.c
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -emit-llvm -o - -triple x86_64-apple-darwin10
-// RUN: %clang_cc1 -emit-llvm -o - -triple i386-apple-darwin10 
+// RUN: %clang_cc1 -emit-llvm -o - -triple x86_64-apple-darwin10 -fblocks %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple i386-apple-darwin10 -fblocks %s
 typedef int __attribute__((aligned(32)))  ai;
 
 void f() {