diff --git a/pkg/util/azure/classic_disk.go b/pkg/util/azure/classic_disk.go
index 8946493c8e..dd11cf71b7 100644
--- a/pkg/util/azure/classic_disk.go
+++ b/pkg/util/azure/classic_disk.go
@@ -101,7 +101,9 @@ func (self *SRegion) GetClassicDisks() ([]SClassicDisk, error) {
 }
 
 func (self *SClassicDisk) GetMetadata() *jsonutils.JSONDict {
-	return nil
+	data := jsonutils.NewDict()
+	data.Add(jsonutils.NewString(models.HYPERVISOR_AZURE), "hypervisor")
+	return data
 }
 
 func (self *SClassicDisk) CreateISnapshot(name, desc string) (cloudprovider.ICloudSnapshot, error) {