diff --git a/test/SemaObjC/property-not-lvalue.m b/test/SemaObjC/property-not-lvalue.m
index 3d95d26..12d2cc6 100644
--- a/test/SemaObjC/property-not-lvalue.m
+++ b/test/SemaObjC/property-not-lvalue.m
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
 
 typedef struct NSSize {
      		int width;