diff --git a/embassy-stm32/src/rcc/bd.rs b/embassy-stm32/src/rcc/bd.rs
index 4915d5e2..5bae3edd 100644
--- a/embassy-stm32/src/rcc/bd.rs
+++ b/embassy-stm32/src/rcc/bd.rs
@@ -100,13 +100,14 @@ impl BackupDomain {
             #[cfg(not(rtc_v3u5))]
             let csr = crate::pac::RCC.csr();
 
-            Self::modify(|_| {
-                #[cfg(not(any(rcc_wb, rcc_wba)))]
-                csr.modify(|w| w.set_lsion(true));
+            // Disable backup domain write protection
+            Self::modify(|_| {});
 
-                #[cfg(any(rcc_wb, rcc_wba))]
-                csr.modify(|w| w.set_lsi1on(true));
-            });
+            #[cfg(not(any(rcc_wb, rcc_wba)))]
+            csr.modify(|w| w.set_lsion(true));
+
+            #[cfg(any(rcc_wb, rcc_wba))]
+            csr.modify(|w| w.set_lsi1on(true));
 
             #[cfg(not(any(rcc_wb, rcc_wba)))]
             while !csr.read().lsirdy() {}