diff --git a/scripts/ci/test-setup.sh b/scripts/ci/test-setup.sh
index 0b18a6d9f..1474316ed 100755
--- a/scripts/ci/test-setup.sh
+++ b/scripts/ci/test-setup.sh
@@ -103,7 +103,7 @@ function configure_tty {
 export -f configure_tty
 
 function start_record_tty {
-	if [[ "$#" -ne 3 ]]; then
+	if [[ "$#" -ne 4 ]]; then
 		echo "usage: start_record_tty [tty_file] [baud] [output_filename] [id]"
 		exit 1
 	fi