diff --git a/htmldoc.spec b/htmldoc.spec
index 2bea08b..da52918 100644
--- a/htmldoc.spec
+++ b/htmldoc.spec
@@ -20,7 +20,7 @@
 
 Name:           htmldoc
 BuildRequires:  fltk-devel freeglut-devel gcc-c++ libdrm-devel libjpeg-devel libpng-devel openssl-devel
-License:        LGPLv2.1+
+License:        LGPL-2.1+
 Group:          Productivity/Publishing/HTML/Tools
 Url:            http://htmldoc.org/
 AutoReqProv:    on