diff --git a/embassy-stm32/src/lib.rs b/embassy-stm32/src/lib.rs
index 675fd1ec1..0dbc9e5c8 100644
--- a/embassy-stm32/src/lib.rs
+++ b/embassy-stm32/src/lib.rs
@@ -49,7 +49,7 @@ pub mod pwm;
 pub mod qspi;
 #[cfg(rng)]
 pub mod rng;
-#[cfg(all(rtc, not(any(rtc_v1, rtc_v2f0, rtc_v2f7, rtc_v3))))]
+#[cfg(all(rtc, not(any(rtc_v1, rtc_v2f0, rtc_v2f7, rtc_v3, rtc_v3u5))))]
 pub mod rtc;
 #[cfg(sdmmc)]
 pub mod sdmmc;