diff --git a/modules/01-afk/afk.lua b/modules/01-afk/afk.lua
index 1caa860..196fa66 100644
--- a/modules/01-afk/afk.lua
+++ b/modules/01-afk/afk.lua
@@ -19,7 +19,9 @@ function AfkModule.getPanel() return Panel end
 function AfkModule.setPanel(panel) Panel = panel end
 
 function AfkModule.init()
-  g_sounds.preload('alert.ogg')
+  if g_sounds then
+    g_sounds.preload('alert.ogg')
+  end
 
   dofile('alertlist.lua')
   AlertList.init()
diff --git a/modules/01-afk/events/creaturealert.lua b/modules/01-afk/events/creaturealert.lua
index 07bb0a3..c2865dd 100644
--- a/modules/01-afk/events/creaturealert.lua
+++ b/modules/01-afk/events/creaturealert.lua
@@ -6,7 +6,10 @@
 AfkModule.CreatureAlert = {}
 CreatureAlert = AfkModule.CreatureAlert
 
-local alertSoundChannel = g_sounds.getChannel(1)
+local alertSoundChannel = nil
+if g_sounds then
+  alertSoundChannel = g_sounds.getChannel(1)
+end
 
 function CreatureAlert.Event(event)
   local blackList = AlertList.getBlackList()
@@ -19,7 +22,7 @@ function CreatureAlert.Event(event)
   creatures = g_map.getSpectators(player:getPosition(), false)
 
   local alert = false
-  if AlertList.getBlackOrWhite() then 
+  if AlertList.getBlackOrWhite() then
     -- black
     for k, v in pairs (creatures) do
       if v ~= player and AlertList.isBlackListed(v:getName()) then
@@ -27,7 +30,7 @@ function CreatureAlert.Event(event)
         break
       end
     end
-  else 
+  else
     -- white
     for k, v in pairs (creatures) do
       if v ~= player and not AlertList.isWhiteListed(v:getName()) then
@@ -51,5 +54,7 @@ function CreatureAlert.alert()
 end
 
 function CreatureAlert.stopAlert()
-  alertSoundChannel:stop()
-end
\ No newline at end of file
+  if alertSoundChannel then
+    alertSoundChannel:stop()
+  end
+end