diff --git a/examples/src/bin/ieee802154_sniffer.rs b/examples/src/bin/ieee802154_sniffer.rs
index e345c97b02..ad100fc49d 100644
--- a/examples/src/bin/ieee802154_sniffer.rs
+++ b/examples/src/bin/ieee802154_sniffer.rs
@@ -42,11 +42,8 @@ fn main() -> ! {
     let mut cnt = 0;
     let mut read = [0u8; 2];
     loop {
-        let c = loop {
-            if let Some(c) = uart0.read_byte() {
-                break c;
-            }
-        };
+        let c = uart0.read_byte();
+
         if c == b'r' {
             continue;
         }
@@ -81,10 +78,9 @@ fn main() -> ! {
             println!("@RAW {:02x?}", &frame.data);
         }
 
-        if let Some(c) = uart0.read_byte() {
-            if c == b'r' {
-                software_reset();
-            }
+        let mut buff = [0u8; 1];
+        if uart0.read_bytes(&mut buff) > 0 && buff[0] == b'r' {
+            software_reset();
         }
     }
 }