diff --git a/notebooks/onnx_model_example.ipynb b/notebooks/onnx_model_example.ipynb
index ca49c3571..3a109096d 100644
--- a/notebooks/onnx_model_example.ipynb
+++ b/notebooks/onnx_model_example.ipynb
@@ -135,6 +135,8 @@
     "import numpy as np\n",
     "import cv2\n",
     "import matplotlib.pyplot as plt\n",
+    "import sys\n",
+    "sys.path.append(\"..\")\n",
     "from segment_anything import sam_model_registry, SamPredictor\n",
     "from segment_anything.utils.onnx import SamOnnxModel\n",
     "\n",