diff --git a/cmd/metadata/config/config.go b/cmd/metadata/config/config.go
index 518656b..21b4b3d 100644
--- a/cmd/metadata/config/config.go
+++ b/cmd/metadata/config/config.go
@@ -23,6 +23,7 @@ func (c *Config) Substitute() error {
 			return err
 		}
 	}
+	c.Config.Hasura.SetSourceName()
 	return nil
 }