diff --git a/xtensor-python.spec b/xtensor-python.spec
index 4fb34da..c013adb 100644
--- a/xtensor-python.spec
+++ b/xtensor-python.spec
@@ -4,7 +4,8 @@ Name:           xtensor-python
 Version:        0.29.0
 Release:        %autorelease
 Summary:        Python bindings for xtensor
-License:        BSD-3-Clause
+# Automatically converted from old format: BSD - review is highly recommended.
+License:        LicenseRef-Callaway-BSD
 URL:            https://xtensor-python.readthedocs.io/
 
 %global github  https://github.com/QuantStack/xtensor-python