diff --git a/libs/libsigc++/Makefile b/libs/libsigc++/Makefile
index 14ef5cbaf..782f69962 100644
--- a/libs/libsigc++/Makefile
+++ b/libs/libsigc++/Makefile
@@ -15,6 +15,7 @@ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNOME/libsigc++/2.3
 PKG_MD5SUM:=e75fbd6f5cc34d058a9dabec96245dc8
 PKG_MAINTAINER:=Steven Barth <cyrus@openwrt.org>
+PKG_LICENSE:=LGPL-2.1
 
 PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1