diff --git a/notebooks/LPD/LPD_Correct_Fast.ipynb b/notebooks/LPD/LPD_Correct_Fast.ipynb
index bbd74430163ba8ffcd5fb016f49beee4d75685d3..ae3433b3cd831608b93b75627f419c57d3f2980d 100644
--- a/notebooks/LPD/LPD_Correct_Fast.ipynb
+++ b/notebooks/LPD/LPD_Correct_Fast.ipynb
@@ -205,6 +205,7 @@
     "# Connect to CalCat.\n",
     "calcat_config = restful_config['calcat']\n",
     "client = CalibrationClient(\n",
+    "    use_oauth2=calcat_config['use-oauth2'],\n",
     "    client_id=calcat_config['user-id'],\n",
     "    client_secret=calcat_config['user-secret'],\n",
     "    user_email=calcat_config['user-email'],\n",
diff --git a/src/cal_tools/restful_config.yaml b/src/cal_tools/restful_config.yaml
index 813d1467df50502e59896c3c03f57de6fe75c14c..21b9546e150eed76cb734c26619dc08a926d60fd 100644
--- a/src/cal_tools/restful_config.yaml
+++ b/src/cal_tools/restful_config.yaml
@@ -10,6 +10,7 @@ mdc:
   user-secret: '@note add this to secrets file'
 
 calcat:
+  use-oauth2: true
   auth-url: https://in.xfel.eu/calibration/oauth/authorize
   base-api-url: https://in.xfel.eu/calibration/api
   refresh-url: https://in.xfel.eu/calibration/oauth/token