diff --git a/src/k8s-extension/azext_k8s_extension/custom.py b/src/k8s-extension/azext_k8s_extension/custom.py
index abff15a0246..eb0955dabe8 100644
--- a/src/k8s-extension/azext_k8s_extension/custom.py
+++ b/src/k8s-extension/azext_k8s_extension/custom.py
@@ -47,6 +47,7 @@ def ExtensionFactory(extension_name):
         "microsoft.openservicemesh": OpenServiceMesh,
         "microsoft.azureml.kubernetes": AzureMLKubernetes,
         "microsoft.dapr": Dapr,
+        "microsoft.azurebackup.backupagent": DefaultExtension,
     }
 
     # Return the extension if we find it in the map, else return the default