diff --git a/examples/DefectExampleNotebook.ipynb b/examples/DefectExampleNotebook.ipynb
index 5505634..5ef6f46 100644
--- a/examples/DefectExampleNotebook.ipynb
+++ b/examples/DefectExampleNotebook.ipynb
@@ -279,7 +279,11 @@
     "import matplotlib.pyplot as plt\n",
     "%matplotlib inline\n",
     "\n",
-    "cps = cp_dict['Al-AlN']\n",
+    "try:\n",
+    "    cps = cp_dict['Al-AlN']\n",
+    "except:\n",
+    "    cps = cp_dict[\"AlN-Al\"]\n",
+    "    \n",
     "TempRange = np.arange(300, 1001, 100)\n",
     "ConcenRange = []\n",
     "for T in TempRange:\n",
@@ -905,7 +909,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.6"
+   "version": "3.8.3"
   }
  },
  "nbformat": 4,