diff --git a/cloudbaseinit/plugins/windows/userdataplugins/cloudconfig.py b/cloudbaseinit/plugins/windows/userdataplugins/cloudconfig.py
index 67fb8af0..047c32be 100644
--- a/cloudbaseinit/plugins/windows/userdataplugins/cloudconfig.py
+++ b/cloudbaseinit/plugins/windows/userdataplugins/cloudconfig.py
@@ -153,7 +153,7 @@ class CloudConfigPlugin(base.BaseUserDataPlugin):
 
         try:
             content = yaml.load(part, Loader=loader)
-        except ValueError:
+        except (ValueError, AttributeError):
             LOG.error("Invalid yaml stream provided.")
             return False