1 files changed, 3 insertions, 1 deletions

diff --git a/tests/stm32/src/bin/stop.rs b/tests/stm32/src/bin/stop.rs
index a490d7b8c..f60ab271a 100644
--- a/tests/stm32/src/bin/stop.rs
+++ b/tests/stm32/src/bin/stop.rs
@@ -13,6 +13,7 @@ use embassy_executor::Spawner;
 use embassy_stm32::low_power::{stop_with_rtc, Executor};
 use embassy_stm32::rcc::RtcClockSource;
 use embassy_stm32::rtc::{Rtc, RtcConfig};
+use embassy_stm32::time::Hertz;
 use embassy_time::{Duration, Timer};
 use static_cell::make_static;
 
@@ -28,7 +29,8 @@ fn main() -> ! {
 async fn async_main(_spawner: Spawner) {
     let mut config = config();
 
-    config.rcc.rtc = Some(RtcClockSource::LSI);
+    config.rcc.lse = Some(Hertz(32_768));
+    config.rcc.rtc = Some(RtcClockSource::LSE);
 
     let p = embassy_stm32::init(config);
     info!("Hello World!");