diff --git a/project/src/by_crc16.c b/project/src/by_crc16.c
index 61c69ea..72d173f 100644
--- a/project/src/by_crc16.c
+++ b/project/src/by_crc16.c
@@ -4,6 +4,8 @@ uint16_t by_crc16_calculate(void *pbuffer, uint32_t length)
 {
   const uint8_t *pbuffer_u8 = (uint8_t *)pbuffer;
 
+  crc_data_reset();
+
   for (uint32_t index = 0; index < length; index++) {
     (*(uint8_t *)&CRC->dt) = pbuffer_u8[index];
   }