diff --git a/test/SemaObjC/warn-weak-field.m b/test/SemaObjC/warn-weak-field.m
index ead454a..e7b0fe2 100644
--- a/test/SemaObjC/warn-weak-field.m
+++ b/test/SemaObjC/warn-weak-field.m
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 -triple i386-apple-darwin9 -fsyntax-only -fobjc-gc -verify %s
-// RUN: %clang_cc1 -x objective-c++ -triple i386-apple-darwin9 -fsyntax-only -fobjc-gc -verify %s
+// RUN: %clang_cc1 -triple i386-apple-darwin9 -fsyntax-only -fobjc-gc -verify -Wno-objc-root-class %s
+// RUN: %clang_cc1 -x objective-c++ -triple i386-apple-darwin9 -fsyntax-only -fobjc-gc -verify -Wno-objc-root-class %s
 
 struct S {
 	__weak id w; // expected-warning {{__weak attribute cannot be specified on a field declaration}}