diff --git a/firmware/rust/src/lcd.rs b/firmware/rust/src/lcd.rs
index 414c954..4d25a18 100644
--- a/firmware/rust/src/lcd.rs
+++ b/firmware/rust/src/lcd.rs
@@ -151,7 +151,7 @@ impl Lcd {
         assert!(digits <= 3);
         let mut delay = Delay::<DefaultClock>::new();
 
-        let mut array = [0usize; 3];
+        let mut array = [0_usize; 3];
         for (i, item) in array.iter_mut().enumerate() {
             *item = (((data / 10_u8.pow(i.try_into().unwrap())) % 10) + 2).into();
         }