1 files changed, 2 insertions, 1 deletions

diff --git a/embassy-stm32/src/timer/mod.rs b/embassy-stm32/src/timer/mod.rs
index 25782ee13..aa9dd91d9 100644
--- a/embassy-stm32/src/timer/mod.rs
+++ b/embassy-stm32/src/timer/mod.rs
@@ -2,6 +2,7 @@
 
 use core::marker::PhantomData;
 
+use embassy_hal_internal::Peripheral;
 use embassy_sync::waitqueue::AtomicWaker;
 
 #[cfg(not(stm32l0))]
@@ -66,7 +67,7 @@ impl State {
     }
 }
 
-trait SealedInstance: RccPeripheral {
+trait SealedInstance: RccPeripheral + Peripheral<P = Self> {
     /// Async state for this timer
     fn state() -> &'static State;
 }