diff --git a/brightray/brightray.gypi b/brightray/brightray.gypi
index 0f6c15f81b91..a14cc134319d 100644
--- a/brightray/brightray.gypi
+++ b/brightray/brightray.gypi
@@ -151,6 +151,8 @@
               '_LARGEFILE_SOURCE',
               '_LARGEFILE64_SOURCE',
               '_FILE_OFFSET_BITS=64',
+              # Relying on openssl cert store until crbug.com/462040
+              'USE_OPENSSL_CERTS',
             ],
             'cflags_cc': [
               '-D__STRICT_ANSI__',