diff --git a/luci-app-mptcp/luasrc/model/cbi/mptcp.lua b/luci-app-mptcp/luasrc/model/cbi/mptcp.lua
index 27891aa0b..fa485c023 100644
--- a/luci-app-mptcp/luasrc/model/cbi/mptcp.lua
+++ b/luci-app-mptcp/luasrc/model/cbi/mptcp.lua
@@ -2,6 +2,7 @@ local net = require "luci.model.network".init()
 local sys = require "luci.sys"
 local ifaces = sys.net:devices()
 local m, s, o
+local uname = nixio.uname()
 
 m = Map("network", translate("MPTCP"), translate("Networks MPTCP settings. Visit <a href='http://multipath-tcp.org/pmwiki.php/Users/ConfigureMPTCP'>http://multipath-tcp.org/pmwiki.php/Users/ConfigureMPTCP</a> for help."))