1 files changed, 2 insertions, 2 deletions

diff --git a/examples/stm32f4/src/bin/usart.rs b/examples/stm32f4/src/bin/usart.rs
index fd4f19e20..781c6a958 100644
--- a/examples/stm32f4/src/bin/usart.rs
+++ b/examples/stm32f4/src/bin/usart.rs
@@ -31,7 +31,7 @@ fn main() -> ! {
 
     let mut buf = [0u8; 1];
     loop {
-        unwrap!(usart.read_blocking(&mut buf).unwbrap());
-        unwrap!(usart.bwrite_all(&buf).unwrap());
+        unwrap!(usart.read_blocking(&mut buf));
+        unwrap!(usart.bwrite_all(&buf));
     }
 }