diff --git a/ports/glutin/window.rs b/ports/glutin/window.rs
index 5da1b03fb7d..726ddf97ba3 100644
--- a/ports/glutin/window.rs
+++ b/ports/glutin/window.rs
@@ -688,7 +688,7 @@ impl WindowMethods for Window {
     fn set_cursor(&self, _: Cursor) {
     }
 
-    fn prepare_for_composite(&self) -> bool {
+    fn prepare_for_composite(&self, _width: usize, _height: usize) -> bool {
         true
     }