diff --git a/plugins/opercmds.py b/plugins/opercmds.py
index f25ea84..23033a0 100644
--- a/plugins/opercmds.py
+++ b/plugins/opercmds.py
@@ -3,13 +3,14 @@ opercmds.py: Provides a subset of network management commands.
 """
 from pylinkirc import utils
 from pylinkirc.log import log
+from pylinkirc.coremods import permissions
 
 @utils.add_cmd
 def checkban(irc, source, args):
     """<banmask (nick!user@host or user@host)> [<nick or hostmask to check>]
 
     Oper only. If a nick or hostmask is given, return whether the given banmask will match it. Otherwise, returns a list of connected users that would be affected by such a ban, up to 50 results."""
-    irc.checkAuthenticated(source)
+    permissions.checkPermissions(irc, source, ['opercmds.checkban'])
 
     try:
         banmask = args[0]
@@ -55,7 +56,7 @@ def jupe(irc, source, args):
     Admin only, jupes the given server."""
 
     # Check that the caller is either opered or logged in as admin.
-    irc.checkAuthenticated(source, allowOper=False)
+    permissions.checkPermissions(irc, source, ['opercmds.jupe'])
 
     try:
         servername = args[0]
@@ -82,7 +83,7 @@ def kick(irc, source, args):
     """<source> <channel> <user> [<reason>]
 
     Admin only. Kicks <user> from <channel> via <source>, where <source> is either the nick of a PyLink client or the SID of a PyLink server."""
-    irc.checkAuthenticated(source, allowOper=False)
+    permissions.checkPermissions(irc, source, ['opercmds.kick'])
     try:
         sourcenick = args[0]
         channel = irc.toLower(args[1])
@@ -123,7 +124,7 @@ def kill(irc, source, args):
     """<source> <target> [<reason>]
 
     Admin only. Kills <target> via <source>, where <source> is either the nick of a PyLink client or the SID of a PyLink server."""
-    irc.checkAuthenticated(source, allowOper=False)
+    permissions.checkPermissions(irc, source, ['opercmds.kill'])
     try:
         sourcenick = args[0]
         target = args[1]
@@ -166,7 +167,7 @@ def mode(irc, source, args):
     Oper-only, sets modes <modes> on the target channel."""
 
     # Check that the caller is either opered or logged in as admin.
-    irc.checkAuthenticated(source)
+    permissions.checkPermissions(irc, source, ['opercmds.mode'])
 
     try:
         target, modes = args[0], args[1:]
@@ -204,7 +205,7 @@ def topic(irc, source, args):
     """<channel> <topic>
 
     Admin only. Updates the topic in a channel."""
-    irc.checkAuthenticated(source, allowOper=False)
+    permissions.checkPermissions(irc, source, ['opercmds.topic'])
     try:
         channel = args[0]
         topic = ' '.join(args[1:])