diff --git a/Application/Tasks/FirmwareHandler.c b/Application/Tasks/FirmwareHandler.c
index 4b9697d..ade1754 100644
--- a/Application/Tasks/FirmwareHandler.c
+++ b/Application/Tasks/FirmwareHandler.c
@@ -90,7 +90,7 @@ void DataClbk_FirmwarePackage(void *msg, uint32_t length) {
   DATA_CLBK_SETUP(FirmwarePackage);
 
   // check CRC and Package counter
-  uint32_t crc_check = HAL_CRC_Calculate(&hcrc,msg_FirmwarePackage.data.bytes, msg_FirmwarePackage.data.size);
+  uint32_t crc_check = HAL_CRC_Calculate(&hcrc,(uint32_t *)msg_FirmwarePackage.data.bytes, msg_FirmwarePackage.data.size);
   if(msg_FirmwarePackage.crc_pac != crc_check ) {
     DataSend_FirmwarePackgeAck(false, msg_FirmwarePackage.crc_pac, msg_FirmwarePackage.counter, msg_FirmwarePackage.device_id);
     return;