diff --git a/model/css-rdv1.sh b/model/css-rdv1.sh
index 2a6b991..0967635 100644
--- a/model/css-rdv1.sh
+++ b/model/css-rdv1.sh
@@ -15,6 +15,7 @@
 -C css.gic_distributor.ITS-device-bits=20
 -C css.mcp.ROMloader.fname=$mcp_rom_bin
 -C css.pl011_uart_ap.unbuffered_output=1
+-C css.pl011_uart1_ap.unbuffered_output=1
 -C css.scp.pl011_uart_scp.unbuffered_output=1
 -C css.scp.ROMloader.fname=$scp_rom_bin
 -C css.trustedBootROMloader.fname=$bl1_bin
diff --git a/run_config/fvp-rdv1 b/run_config/fvp-rdv1
index 4cf4be2..915e7f4 100644
--- a/run_config/fvp-rdv1
+++ b/run_config/fvp-rdv1
@@ -34,6 +34,6 @@
 	model="$model" gen_model_params
 	set_run_env "ports_script" "$ci_root/model/css-sgi575-ports.awk"
 	set_run_env "num_uarts" "3"
-	uart="0" set_expect_variable "num_cpus" "16"
+	uart="1" set_expect_variable "num_cpus" "16"
 	model="$model" gen_fvp_yaml
 }