--- a/media/libyuv/libyuv.gyp
+++ b/media/libyuv/libyuv.gyp
@@ -80,16 +80,19 @@
       # Allows libyuv.a redistributable library without external dependencies.
       # 'standalone_static_library': 1,
       'conditions': [
         # TODO(fbarchard): Use gyp define to enable jpeg.
         [ 'build_with_mozilla==1', {
           'defines': [
             'HAVE_JPEG'
           ],
+          'cflags_mozilla': [
+            '$(MOZ_JPEG_CFLAGS)',
+          ],
         }],
         [ 'OS != "ios" and build_with_mozilla!=1', {
           'defines': [
             'HAVE_JPEG'
           ],
           'conditions': [
             # Android uses libjpeg for system jpeg support.
             [ 'OS == "android" and use_system_libjpeg == 1', {