diff --git a/src/trekstor.rs b/src/trekstor.rs
index ebad002..212f2b9 100644
--- a/src/trekstor.rs
+++ b/src/trekstor.rs
@@ -41,7 +41,7 @@ impl Platform for Trekstor {
         let input = InputState::new(&screen);
         let mut ctx = Context { screen, input };
 
-        let mut buffer1 = [Rgb565Pixel(0); 512 * 512];
+        let mut buffer1 = [Rgb565Pixel(0); 614400];
 
         let window_width = ctx.screen.width();
         let window_height = ctx.screen.height();