diff --git a/embassy-stm32/src/rcc/f2.rs b/embassy-stm32/src/rcc/f2.rs
index cfc52763..d543888c 100644
--- a/embassy-stm32/src/rcc/f2.rs
+++ b/embassy-stm32/src/rcc/f2.rs
@@ -454,7 +454,7 @@ pub(crate) unsafe fn init(config: Config) {
     let (sys_clk, sw) = match config.mux {
         ClockSrc::HSI => {
             assert!(config.hsi, "HSI must be enabled to be used as system clock");
-            (HSI, Sw::HSI)
+            (HSI_FREQ, Sw::HSI)
         }
         ClockSrc::HSE => {
             let hse_config = config
diff --git a/embassy-stm32/src/rcc/wl.rs b/embassy-stm32/src/rcc/wl.rs
index 195e8c8a..33ecaa36 100644
--- a/embassy-stm32/src/rcc/wl.rs
+++ b/embassy-stm32/src/rcc/wl.rs
@@ -1,6 +1,6 @@
 use crate::pac::{FLASH, RCC};
 use crate::rcc::{set_freqs, Clocks};
-use crate::time::U32Ext;
+use crate::time::{Hertz, U32Ext};
 
 /// Most of clock setup is copied from stm32l0xx-hal, and adopted to the generated PAC,
 /// and with the addition of the init function to configure a system clock.