diff --git a/karbor/services/protection/protection_plugins/image/image_protection_plugin.py b/karbor/services/protection/protection_plugins/image/image_protection_plugin.py
index 5fb358cd..859907ef 100644
--- a/karbor/services/protection/protection_plugins/image/image_protection_plugin.py
+++ b/karbor/services/protection/protection_plugins/image/image_protection_plugin.py
@@ -108,6 +108,7 @@ class ProtectOperation(protection_plugin.Operation):
                         reason="The status of image is invalid.",
                         resource_id=image_id,
                         resource_type=constants.IMAGE_RESOURCE_TYPE)
+                image_info = glance_client.images.get(image_id)
             image_metadata = {
                 "disk_format": image_info.disk_format,
                 "container_format": image_info.container_format,