diff --git a/src/components/gfx/gfx.rc b/src/components/gfx/gfx.rc
index eddeb32e970..963f083eebc 100644
--- a/src/components/gfx/gfx.rc
+++ b/src/components/gfx/gfx.rc
@@ -10,6 +10,7 @@
 
 extern mod azure;
 extern mod geom;
+extern mod newcss (name = "css");
 extern mod stb_image;
 extern mod extra;
 extern mod servo_net (name = "net");