diff --git a/gotasks/specgen_task.go b/gotasks/specgen_task.go
index 921e8c8..438b694 100644
--- a/gotasks/specgen_task.go
+++ b/gotasks/specgen_task.go
@@ -412,7 +412,7 @@ func unmarshalXmlFile(file *zip.File, data interface{}) error {
 		return err
 	}
 	decoder := xml.NewDecoder(r)
-	r.Close()
+	defer r.Close()
 	return decoder.Decode(data)
 }