diff --git a/src/peripherals/storage/flash_store.rs b/src/peripherals/storage/flash_store.rs
index 76f45a1..e99d99f 100644
--- a/src/peripherals/storage/flash_store.rs
+++ b/src/peripherals/storage/flash_store.rs
@@ -75,7 +75,10 @@ impl FlashStore {
             bytes.len()
         );
         let mut lock = self.storage.lock().await;
-        lock.erase(FLASH_ADDR + offset, FLASH_ADDR + bytes.len() as u32)?;
+        lock.erase(
+            FLASH_ADDR + offset,
+            FLASH_ADDR + offset + bytes.len() as u32,
+        )?;
         lock.write(FLASH_ADDR + offset, bytes)?;
         Ok(())
     }