diff --git a/apiclient/harvester_api/models/volumes.py b/apiclient/harvester_api/models/volumes.py
index 6f591408b..d15487f79 100644
--- a/apiclient/harvester_api/models/volumes.py
+++ b/apiclient/harvester_api/models/volumes.py
@@ -34,6 +34,7 @@ def to_dict(self, name, namespace, image_id=None):
 
         if image_id is not None:
             annotations.update({"harvesterhci.io/imageId": image_id})
+            self.storage_cls = f"longhorn-{image_id.split('/')[1]}"
         if self.description is not None:
             annotations.update({"field.cattle.io/description": self.description})
         if self.storage_cls is not None: