diff --git a/examples/stm32u0/src/bin/wdt.rs b/examples/stm32u0/src/bin/wdt.rs
index c0db89b22..f6276e2e9 100644
--- a/examples/stm32u0/src/bin/wdt.rs
+++ b/examples/stm32u0/src/bin/wdt.rs
@@ -18,7 +18,7 @@ async fn main(_spawner: Spawner) {
     let mut wdt = IndependentWatchdog::new(p.IWDG, 1_000_000);
     wdt.unleash();
 
-    let mut i:u8 = 0;
+    let mut i = 0;
 
     loop {
         info!("high");
@@ -36,6 +36,6 @@ async fn main(_spawner: Spawner) {
             wdt.pet();
         }
 
-        i = i.wrapping_add(1);
+        i += 1;
     }
 }