diff --git a/default.xml b/default.xml
index 23db664e6969d42d2c04a09f4c29bec6c3768528..4e0cff45a5f5fb6f98be4afbd975458b02ee7935 100644
--- a/default.xml
+++ b/default.xml
@@ -187,6 +187,7 @@
   <project name="third_party_css-what" path="third_party/css-what"/>
   <project name="third_party_eudev" path="third_party/eudev"/>
   <project name="third_party_expat" path="third_party/expat"/>
+  <project name="third_party_ffmpeg" path="third_party/ffmpeg"/>
   <project name="third_party_flutter" path="third_party/flutter"/>
   <project name="third_party_glib" path="third_party/glib"/>
   <project name="third_party_gn" path="third_party/gn"/>