break;
        case CX23885_BOARD_DVBSKY_T980C:
        case CX23885_BOARD_TT_CT2_4500_CI:
-               i2c_bus = &dev->i2c_bus[1];
-               i2c_bus2 = &dev->i2c_bus[0];
+               i2c_bus = &dev->i2c_bus[0];
+               i2c_bus2 = &dev->i2c_bus[1];
 
                /* attach frontend */
                memset(&si2168_config, 0, sizeof(si2168_config));
                info.addr = 0x64;
                info.platform_data = &si2168_config;
                request_module(info.type);
-               client_demod = i2c_new_device(&i2c_bus->i2c_adap, &info);
+               client_demod = i2c_new_device(&i2c_bus2->i2c_adap, &info);
                if (client_demod == NULL || client_demod->dev.driver == NULL)
                        goto frontend_detach;
                if (!try_module_get(client_demod->dev.driver->owner)) {
                port->i2c_client_tuner = client_tuner;
                break;
        case CX23885_BOARD_DVBSKY_S950C:
-               i2c_bus = &dev->i2c_bus[1];
-               i2c_bus2 = &dev->i2c_bus[0];
+               i2c_bus = &dev->i2c_bus[0];
+               i2c_bus2 = &dev->i2c_bus[1];
 
                /* attach frontend */
                fe0->dvb.frontend = dvb_attach(m88ds3103_attach,
                                &dvbsky_s950c_m88ds3103_config,
-                               &i2c_bus->i2c_adap, &adapter);
+                               &i2c_bus2->i2c_adap, &adapter);
                if (fe0->dvb.frontend == NULL)
                        break;