diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c
index 588a3efb09c2..a17fe33a0ca9 100644
--- a/drivers/i2c/busses/i2c-riic.c
+++ b/drivers/i2c/busses/i2c-riic.c
@@ -323,7 +323,7 @@ static int riic_init_hw(struct riic_dev *riic, struct i2c_timings *t)
 		if (brl <= (0x1F + 3))
 			break;
 
-		total_ticks /= 2;
+		total_ticks = DIV_ROUND_UP(total_ticks, 2);
 		rate /= 2;
 	}