diff --git a/artiq/runtime.rs/libksupport/rtio.rs b/artiq/runtime.rs/libksupport/rtio.rs
index 139e51f11..9783e52f4 100644
--- a/artiq/runtime.rs/libksupport/rtio.rs
+++ b/artiq/runtime.rs/libksupport/rtio.rs
@@ -35,11 +35,9 @@ pub unsafe fn rtio_o_data_write(w: u32) {
 #[inline(always)]
 pub unsafe fn rtio_i_data_read() -> u32 {
     read_volatile(
-        csr::rtio::I_DATA_ADDR.offset((csr::rtio::I_DATA_SIZE - 1) as isize)
-        )
+        csr::rtio::I_DATA_ADDR.offset((csr::rtio::I_DATA_SIZE - 1) as isize))
 }
 
-
 #[inline(never)]
 unsafe fn process_exceptional_status(timestamp: i64, channel: u32, status: u32) {
     if status & RTIO_O_STATUS_FULL != 0 {