diff --git a/Src/CanSerialPortFrameXCP.c b/Src/CanSerialPortFrameXCP.c
index 303b4c8..ae550c2 100644
--- a/Src/CanSerialPortFrameXCP.c
+++ b/Src/CanSerialPortFrameXCP.c
@@ -1304,9 +1304,9 @@ static uint8_t XCP_GET_SECTOR_INFO_CD(tCanSerialPortFrameXCP *env) {
     response->RESERVED2 = 0;
 
     if (request->MODE == 0) {
-        response->SECTOR_INFO = request->SECTOR_NUMBER * FLASH_PAGE_SIZE + env->startFlashAdr;
+        response->SECTOR_INFO = request->SECTOR_NUMBER * FLASH_PAGE_D_SIZE + env->startFlashAdr;
     } else if (request->MODE == 1) {
-        response->SECTOR_INFO = FLASH_PAGE_SIZE;
+        response->SECTOR_INFO = FLASH_PAGE_D_SIZE;
     } else if (request->MODE == 2) {
         env->response[1] = 0;
         return 2;