diff --git a/mojo/services/view_manager/public/cpp/BUILD.gn b/mojo/services/view_manager/public/cpp/BUILD.gn
index b1a0bdb..72cb55e 100644
--- a/mojo/services/view_manager/public/cpp/BUILD.gn
+++ b/mojo/services/view_manager/public/cpp/BUILD.gn
@@ -45,6 +45,7 @@
     "mojo/public/c/gles2:headers",
     "mojo/public/cpp/application",
     "mojo/public/cpp/bindings:bindings",
+    "mojo/public/cpp/system",
     "mojo/public/interfaces/application",
   ]
 }