diff --git a/lib/spritesheet.dart b/lib/spritesheet.dart
index a69896ed2..c222a19cb 100644
--- a/lib/spritesheet.dart
+++ b/lib/spritesheet.dart
@@ -38,7 +38,7 @@ class SpriteSheet {
     int x,
     int y,
   ) {
-    Vector2 size = Vector2(textureWidth.toDouble(), textureHeight.toDouble());
+    final size = Vector2(textureWidth.toDouble(), textureHeight.toDouble());
     return Sprite(
       imageName,
       position: Vector2(x.toDouble(), y.toDouble())..multiply(size),