diff --git a/libsigc++2.spec b/libsigc++2.spec
index 4655fee..00b9f34 100644
--- a/libsigc++2.spec
+++ b/libsigc++2.spec
@@ -24,7 +24,7 @@ BuildRequires:  gcc-c++ pkg-config
 Version:        2.2.10
 Release:        1
 Group:          System/Libraries
-License:        LGPLv2.1+
+License:        LGPL-2.1+
 Summary:        Typesafe Signal Framework for C++
 Url:            http://libsigc.sourceforge.net/
 Source:         http://download.gnome.org/sources/libsigc++/2.2/%{_name}-%{version}.tar.bz2
@@ -40,7 +40,7 @@ adaptor classes for connection of dissimilar callbacks and has an ease
 of use unmatched by other C++ callback libraries.
 
 %package -n libsigc-2_0-0
-License:        LGPLv2.1+
+License:        LGPL-2.1+
 Group:          System/Libraries
 Summary:        Typesafe Signal Framework for C++
 Provides:       %{name} = %{version}
@@ -55,7 +55,7 @@ adaptor classes for connection of dissimilar callbacks and has an ease
 of use unmatched by other C++ callback libraries.
 
 %package devel
-License:        LGPLv2.1+
+License:        LGPL-2.1+
 Group:          Development/Libraries/C and C++
 Summary:        Typesafe Signal Framework for C++
 Requires:       libsigc-2_0-0 = %{version} libstdc++-devel