diff --git a/common/hw-gfx-gma-pipe_setup.ads b/common/hw-gfx-gma-pipe_setup.ads
index 892d218..3ba0ec4 100644
--- a/common/hw-gfx-gma-pipe_setup.ads
+++ b/common/hw-gfx-gma-pipe_setup.ads
@@ -52,7 +52,8 @@
      (Pipe     : Pipe_Index;
       FB       : Framebuffer_Type;
       Cursor   : Cursor_Type;
-      Center   : Cursor_Coord);
+      Center   : Cursor_Coord;
+      Update   : Boolean := False);
 
    type Scaler_Reservation is private;
    Null_Scaler_Reservation : constant Scaler_Reservation;