diff --git a/iptracker.py b/iptracker.py
index 70cab1a..8bbd053 100644
--- a/iptracker.py
+++ b/iptracker.py
@@ -13,7 +13,7 @@ iptrack_permission = "utils.iptrack"
 
 @hook.event("player.PlayerJoinEvent", "low")
 def on_player_join(event):
-    t = threading.Thread(target=on_player_join_thread, args=(event))
+    t = threading.Thread(target=on_player_join_thread, args=(event, ))
     t.daemon = True
     t.start()
 
diff --git a/misc.py b/misc.py
index e5727bc..c6da200 100644
--- a/misc.py
+++ b/misc.py
@@ -263,7 +263,10 @@ def on_modules_command(sender, command, label, args):
         amax        = 0,
         helpSubcmd  = True)
 def warn_command(sender, command, label, args):
-    broadcast(None, " &b= &2&lLag incoming! &r-%s" % sender.getDisplayName())
+    if sender.hasPermission("utils.warn"):
+        broadcast(None, " &b= &2&lLag incoming! &r-%s" % sender.getDisplayName())
+    else:
+        noperm(sender)
 
 
 @simplecommand("warnp",
@@ -272,7 +275,10 @@ def warn_command(sender, command, label, args):
         amax        = 0,
         helpSubcmd  = True)
 def warnp_command(sender, command, label, args):
-    broadcast(None, " &b= &2&lPossible lag incoming! &r-%s" % sender.getDisplayName())
+    if sender.hasPermission("utils.warnp"):
+        broadcast(None, " &b= &2&lPossible lag incoming! &r-%s" % sender.getDisplayName())
+    else:
+        noperm(sender)
 
 
 
diff --git a/signalstrength.py b/signalstrength.py
index d51f35a..10a4933 100644
--- a/signalstrength.py
+++ b/signalstrength.py
@@ -109,7 +109,9 @@ def get_entire_container(container):
         helpSubcmd = True,
         senderLimit = 0)
 def on_signalstrength_command(sender, command, label, args):
-
+    if not sender.hasPermission("utils.ss"):
+        noperm(sender)
+        return None
     if len(args) > 0 and args[0].lower() in ("default", "defaults", "setdefaults"):
         strength, item_type, item_data = get_data(sender, args[1:])