diff --git a/vsts/dps-e2e.yaml b/vsts/dps-e2e.yaml
index 3271be5d4..1c211caea 100644
--- a/vsts/dps-e2e.yaml
+++ b/vsts/dps-e2e.yaml
@@ -34,7 +34,7 @@ jobs:
       IOTHUB_CONNECTION_STRING: $(PYTHONV2JAN-IOTHUB-CONNECTION-STRING)
       IOTHUB_EVENTHUB_CONNECTION_STRING: $(PYTHONV2JAN-IOTHUB-EVENTHUB-CONNECTION-STRING)
       IOTHUB_CA_ROOT_CERT: $(PYTHONV2JAN-LINUX-IOTHUB-CA-ROOT-CERT)
-      IOTHUB_CA_ROOT_CERT_KEY: $(PYTHONOCT22-MAC-IOTHUB-CA-ROOT-CERT-KEY)
+      IOTHUB_CA_ROOT_CERT_KEY: $(PYTHONV2JAN-LINUX-IOTHUB-CA-ROOT-CERT-KEY)
       STORAGE_CONNECTION_STRING: $(PYTHONV2JAN-IOTHUB-STORAGE-CONNECTION-STRING)
 
       PROVISIONING_DEVICE_ENDPOINT: $(PYTHONV2JAN-LINUX-DPS-DEVICE-ENDPOINT)