diff --git a/sphinx-key/src/periph/button.rs b/sphinx-key/src/periph/button.rs
index 5b0ad86..91793e7 100644
--- a/sphinx-key/src/periph/button.rs
+++ b/sphinx-key/src/periph/button.rs
@@ -12,7 +12,7 @@ const PAUSE: u16 = 15;
 pub fn button_loop(gpio8: gpio::Gpio8, tx: mpsc::Sender<Status>) {
     thread::spawn(move || {
         let mut button = PinDriver::input(gpio8).unwrap();
-        button.set_pull(Pull::Down).unwrap();
+        button.set_pull(Pull::Up).unwrap();
         let mut high = false;
         let mut high_times = 0;
         let mut low_times = 0;