Fixed crash in /rank

diff --git a/ranks.lua b/ranks.lua
index d61e1192d48746c148190ec24596d064a4370820..f983683840e66bed0f8d3864bee35ff26ccef6bf 100755 (executable)
--- a/ranks.lua
+++ b/ranks.lua
@@ -107,7 +107,7 @@ minetest.register_chatcommand("rank", {
                local target_ref = minetest.get_player_by_name(name)
                local rank_ref = elidragon.get_rank_by_name(rank)
                if not rank_ref then 
-            minetest.chat_send_player(name, "Invalid Rank: " .. rank)
+            minetest.chat_send_player(name, "Invalid Rank: " .. (rank or ""))
         else
                        elidragon.savedata.ranks[target] = rank
                        local privs = {}