diff --git a/src/lib.rs b/src/lib.rs
index 825e8eb..112df7f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -326,7 +326,7 @@ pub extern "C" fn chuni_io_led_set_colors(_rgb: *const u8) {}
 #[cfg(any(chuni, chusanapp))]
 fn device_init() -> Result<()> {
     {
-        let Some(mut global_device) = DEVICE.try_write_for(DEVICE_POLLING_INTERVAL) else {
+        let Some(mut global_device) = DEVICE.write() else {
             return Ok(())
         };