diff --git a/tutorial.ipynb b/tutorial.ipynb
index 7fce40c3824e..f2b03dc57f0a 100644
--- a/tutorial.ipynb
+++ b/tutorial.ipynb
@@ -1169,11 +1169,9 @@
       },
       "source": [
         "# Reproduce\n",
-        "%%shell\n",
-        "for x in yolov5s yolov5m yolov5l yolov5x; do\n",
-        "  python test.py --weights $x.pt --data coco.yaml --img 640 --conf 0.25 --iou 0.45  # speed\n",
-        "  python test.py --weights $x.pt --data coco.yaml --img 640 --conf 0.001 --iou 0.65  # mAP\n",
-        "done"
+        "for x in 'yolov5s', 'yolov5m', 'yolov5l', 'yolov5x':\n",
+        "  !python test.py --weights {x}.pt --data coco.yaml --img 640 --conf 0.25 --iou 0.45  # speed\n",
+        "  !python test.py --weights {x}.pt --data coco.yaml --img 640 --conf 0.001 --iou 0.65  # mAP"
       ],
       "execution_count": null,
       "outputs": []