diff --git a/drivers/can/mcp2515.c b/drivers/can/mcp2515.c
index 11c22d50d3..3b68c4d43b 100644
--- a/drivers/can/mcp2515.c
+++ b/drivers/can/mcp2515.c
@@ -1486,7 +1486,7 @@ static int mcp2515_ioctl(FAR struct can_dev_s *dev, int cmd, unsigned long arg)
 
           brp = (uint32_t)
             (((float) MCP2515_CANCLK_FREQUENCY /
-             ((float)(tseg1 + tseg2 + 1) * (float)bt->bt_baud)) - 1);
+             ((float)(tseg1 + tseg2 + 1) * (float)(2 * bt->bt_baud))) - 1);
 
           /* Save the value of the new bit timing register */