diff --git a/doc/hcr.rst b/doc/hcr.rst
index fd4ba34d47..574c4f39dc 100644
--- a/doc/hcr.rst
+++ b/doc/hcr.rst
@@ -78,7 +78,7 @@ To install SDL2 you can use `nimble install sdl2`.
     discard renderer.clear()
     discard renderer.setDrawColor(255, 128, 128, 0)
 
-    var rect = Rect(x: posX - 25, y: posY - 25, w: 50.cint, h: 50.cint)
+    var rect: Rect = (x: posX - 25, y: posY - 25, w: 50.cint, h: 50.cint)
     discard renderer.fillRect(rect)
     delay(16)
     renderer.present()