mesh/bootloader/src/dfu_bank.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mesh/bootloader/src/dfu_bank.c b/mesh/bootloader/src/dfu_bank.c
index f276be907..abf8c06ba 100644
--- a/mesh/bootloader/src/dfu_bank.c
+++ b/mesh/bootloader/src/dfu_bank.c
@@ -313,7 +313,7 @@ static void flash_bank_entry(void)
                 bl_evt_t flash_evt;
                 flash_evt.type = BL_EVT_TYPE_FLASH_ERASE;
                 flash_evt.params.flash.erase.start_addr = (uint32_t)p_bank_entry->p_bank_addr;
-                flash_evt.params.flash.erase.length = p_bank_entry->length;
+                flash_evt.params.flash.erase.length = ((p_bank_entry->length + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1));
                 (void) bootloader_evt_send(&flash_evt);
                 mp_bank_entry = NULL; /* reset the static bank pointer, as we no longer need it. */
                 __LOG("Bank area cleared.\n");