diff --git a/embassy-stm32/src/usart/mod.rs b/embassy-stm32/src/usart/mod.rs
index ea8e525e..3b9226fd 100644
--- a/embassy-stm32/src/usart/mod.rs
+++ b/embassy-stm32/src/usart/mod.rs
@@ -857,7 +857,7 @@ fn configure(r: Regs, config: &Config, pclk_freq: Hertz, kind: Kind, enable_rx:
         "Using {} oversampling, desired baudrate: {}, actual baudrate: {}",
         oversampling,
         config.baudrate,
-        pclk_freq.0 / div
+        (pclk_freq.0 * mul as u32) / div
     );
 
     r.cr2().write(|w| {