diff --git a/ser2net.spec b/ser2net.spec
index da9ab1b..2a6e614 100644
--- a/ser2net.spec
+++ b/ser2net.spec
@@ -26,7 +26,7 @@ Url:            http://ser2net.sourceforge.net/
 Source:         http://download.sourceforge.net/ser2net/%{name}-%{version}-%{extra_ver}.tar.gz
 Source2:        ser2net.service
 Summary:        Serial port to network proxy
-License:        GPL
+License:        GPL-2+
 Group:          Productivity/Networking
 BuildRequires:  pkgconfig(systemd)
 %{?systemd_requires}