diff --git a/oniguruma.spec b/oniguruma.spec
index d0b23fd..2d36130 100644
--- a/oniguruma.spec
+++ b/oniguruma.spec
@@ -21,7 +21,7 @@
 Name:           oniguruma
 Version:        5.9.2
 Release:        1
-License:        BSD 2-Clause
+License:        BSD-2-Clause
 Group:          Development/Languages/C and C++
 Summary:        Regex Library Supporting Different Character Encodings
 Url:            http://www.geocities.jp/kosako3/oniguruma/