1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index e98e44e584a4..9af2337eb17a 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -341,8 +341,8 @@ static int ismt_process_desc(const struct ismt_desc *desc,
                         break;
                 case I2C_SMBUS_BLOCK_DATA:
                 case I2C_SMBUS_I2C_BLOCK_DATA:
-                        memcpy(&data->block[1], dma_buffer, desc->rxbytes);
-                        data->block[0] = desc->rxbytes;
+                        memcpy(data->block, dma_buffer, desc->rxbytes);
+                        data->block[0] = desc->rxbytes - 1;
                         break;
                 }
                 return 0;