diff --git a/watcher/datasource/gnocchi.py b/watcher/datasource/gnocchi.py
index bd09ed2b9..972d9475f 100644
--- a/watcher/datasource/gnocchi.py
+++ b/watcher/datasource/gnocchi.py
@@ -95,7 +95,8 @@ class GnocchiHelper(base.DataSourceBase):
                 f=self.gnocchi.resource.search, **kwargs)
 
             if not resources:
-                raise exception.ResourceNotFound(name=resource_id)
+                raise exception.ResourceNotFound(name='gnocchi',
+                                                 id=resource_id)
 
             resource_id = resources[0]['id']