diff --git a/inspect/serial-log/init.sh b/inspect/serial-log/init.sh
index 87206b9..69c1fef 100755
--- a/inspect/serial-log/init.sh
+++ b/inspect/serial-log/init.sh
@@ -3,4 +3,4 @@ set -x
 
 SERIAL_DEV=$1
 DEV_NAME=$(basename "${SERIAL_DEV}")
-tio -m INLCRNL --log --log-file "serial-log.${DEV_NAME}" "${SERIAL_DEV}"
+tio -m INLCRNL --log --log-file "ext-dir/serial-log.${DEV_NAME}" "${SERIAL_DEV}"