diff --git a/game/engines/default/engine/UserChat.lua b/game/engines/default/engine/UserChat.lua
index f019a51b9d1e9f792da1b1d94c8bbbfe703e2c59..f8cac16d67adc6c89665cbbd93a1b63815bb9f78 100644
--- a/game/engines/default/engine/UserChat.lua
+++ b/game/engines/default/engine/UserChat.lua
@@ -96,6 +96,7 @@ function _M:event(e)
 	elseif e.se == "ChannelList" then
 		local info = zlib.decompress(e.data):unserialize()
 		if not info then return end
+		if not e.channel or not self.channels[e.channel] then return end
 		self.channels[e.channel].users = {}
 		for _, user in ipairs(info.users) do
 			self.channels[e.channel].users[user.login] = {
diff --git a/game/modules/tome/class/generator/actor/Arena.lua b/game/modules/tome/class/generator/actor/Arena.lua
index 7e89a79f8de596e16feadda54b10e4ce56d7d9d0..bc8db3401e52f6ad4f4dbbf7fdebbffb662e0b40 100644
--- a/game/modules/tome/class/generator/actor/Arena.lua
+++ b/game/modules/tome/class/generator/actor/Arena.lua
@@ -340,7 +340,7 @@ function _M:calculateWave()
 			special = function (self) if game.level.arena.currentWave > 35 then self.entity = { name = "high slinger" } end return self end },
 		{ entity = { name = "dremling" },
 			wave = 1, power = 6, delay = 2, bonus = 0.3 , score = 100, entry = 2,
-			special = function (self) if game.level.arena.currentWave > 15 then self.wave = 2 end end },
+			special = function (self) if game.level.arena.currentWave > 15 then self.wave = 2 end return self end },
 		{ entity = { name = "brown bear" },
 			wave = 1, power = 4, delay = 3, bonus = 0.2, score = 100 , entry = 2},
 		{ entity = { type = "animal", subtype = "snake" },
diff --git a/game/modules/tome/data/calendar_dwarf.lua b/game/modules/tome/data/calendar_dwarf.lua
index b7591b0dec7f047ea25719b6df4baf71cbc09c55..561b9f20876b13514502210dcaef826cd6564380 100644
--- a/game/modules/tome/data/calendar_dwarf.lua
+++ b/game/modules/tome/data/calendar_dwarf.lua
@@ -23,7 +23,7 @@ return {
 	{ 30, "Gold", },
 	{ 45, "Stralite", },
 	{ 31, "Voratun", },
-	{ 3, "Acuisition", },
+	{ 3, "Acquisition", },
 	{ 45, "Profit", },
 	{ 30, "Wealth", },
 	{ 45, "Dearth", },