diff --git a/electron.gyp b/electron.gyp
index 7ab032532d45..39c1f1904543 100644
--- a/electron.gyp
+++ b/electron.gyp
@@ -225,6 +225,8 @@
         'V8_USE_EXTERNAL_STARTUP_DATA',
         'V8_SHARED',
         'USING_V8_SHARED',
+        'USING_V8_PLATFORM_SHARED',
+        'USING_V8_BASE_SHARED',
         # Remove this after enable_plugins becomes a feature flag.
         'ENABLE_PLUGINS',
         'USE_PROPRIETARY_CODECS',