diff --git a/brightray/brightray.gyp b/brightray/brightray.gyp
index 17ed089afe..26fa44ff57 100644
--- a/brightray/brightray.gyp
+++ b/brightray/brightray.gyp
@@ -15,6 +15,7 @@
         '<(libchromiumcontent_src_dir)',
         '<(libchromiumcontent_src_dir)/skia/config',
         '<(libchromiumcontent_src_dir)/third_party/skia/include/core',
+        '<(libchromiumcontent_src_dir)/third_party/mojo/src',
         '<(libchromiumcontent_src_dir)/third_party/WebKit',
         '<(libchromiumcontent_dir)/gen',
       ],
@@ -26,6 +27,7 @@
           '<(libchromiumcontent_src_dir)/skia/config',
           '<(libchromiumcontent_src_dir)/third_party/skia/include/core',
           '<(libchromiumcontent_src_dir)/third_party/icu/source/common',
+          '<(libchromiumcontent_src_dir)/third_party/mojo/src',
           '<(libchromiumcontent_src_dir)/third_party/WebKit',
           '<(libchromiumcontent_dir)/gen',
         ],