diff --git a/run_di1_group_avg.sh b/run_di1_group_avg.sh
index e965e3d..9d97942 100755
--- a/run_di1_group_avg.sh
+++ b/run_di1_group_avg.sh
@@ -28,5 +28,6 @@ exec "$BIN" \
   di1_group_avg \
   duration_ms:100 \
   packet_limit:0 \
+  profile:amplitude \
   "tty:${TTY_PATH}" \
   "$@"