diff --git a/tools_webrtc/mb/mb_config.pyl b/tools_webrtc/mb/mb_config.pyl
index 5dabfafd9f..eb8f23fb20 100644
--- a/tools_webrtc/mb/mb_config.pyl
+++ b/tools_webrtc/mb/mb_config.pyl
@@ -492,7 +492,7 @@
       'gn_args': 'is_msan=true msan_track_origins=2',
     },
     'no_build_ssl': {
-      'gn_args': 'rtc_build_ssl=false',
+      'gn_args': 'rtc_build_ssl=false libsrtp_build_boringssl=false',
     },
     'no_ios_code_signing': {
       'gn_args': 'ios_enable_code_signing=false',