diff --git a/src/trekstor.rs b/src/trekstor.rs
index 4994dcf..fbb8b1c 100644
--- a/src/trekstor.rs
+++ b/src/trekstor.rs
@@ -41,9 +41,9 @@ impl Platform for Trekstor {
         let input = InputState::new(&screen);
         let mut ctx = Context { screen, input };
 
-        let mut buffer1 = [Rgb565Pixel(0); 614400];
+        let mut buffer1 = [Rgb565Pixel(0); 512 * 512];
 
-        let window_width = ctx.screen.width() - 1;
+        let window_width = 512;
         // let window_height = ctx.screen.height() - 1;
 
         loop {