diff --git a/brightray/brightray.gypi b/brightray/brightray.gypi
index 19037b66f42d..8a945dc02192 100644
--- a/brightray/brightray.gypi
+++ b/brightray/brightray.gypi
@@ -205,6 +205,7 @@
           'SKIA_DLL',
           'USING_V8_SHARED',
           'WEBKIT_DLL',
+          'V8_ENABLE_CHECKS',
         ],
         'msvs_settings': {
           'VCCLCompilerTool': {