1 files changed, 1 insertions, 1 deletions

diff --git a/embassy-stm32/src/flash/common.rs b/embassy-stm32/src/flash/common.rs
index 6c1912900..c6cdc574b 100644
--- a/embassy-stm32/src/flash/common.rs
+++ b/embassy-stm32/src/flash/common.rs
@@ -163,7 +163,7 @@ pub(super) fn get_sector(address: u32, regions: &[&FlashRegion]) -> FlashSector
             bank_offset = 0;
         }
 
-        if address < region.end() {
+        if address >= region.base && address < region.end() {
             let index_in_region = (address - region.base) / region.erase_size;
             return FlashSector {
                 bank: region.bank,