diff --git a/drivers/i2c/soft_i2c.c b/drivers/i2c/soft_i2c.c
index 69b5f42205f427255344ad55913896d426774464..9b02e89e0392c975bf71879ad4a056d4dddd1d10 100644
--- a/drivers/i2c/soft_i2c.c
+++ b/drivers/i2c/soft_i2c.c
@@ -286,6 +286,7 @@ int i2c_set_bus_num(unsigned int bus)
 		int	ret;
 
 		ret = i2x_mux_select_mux(bus);
+		i2c_init_board();
 		if (ret == 0)
 			i2c_bus_num = bus;
 		else