diff --git a/evennia/commands/default/admin.py b/evennia/commands/default/admin.py
index 17d81bcd46..e0403dbc87 100644
--- a/evennia/commands/default/admin.py
+++ b/evennia/commands/default/admin.py
@@ -29,7 +29,7 @@ class CmdBoot(COMMAND_DEFAULT_CLASS):
 
     Switches:
       quiet - Silently boot without informing player
-      port - boot by port number instead of name or dbref
+      sid - boot by session id instead of name or dbref
 
     Boot a player object from the server. If a reason is
     supplied it will be echoed to the user unless /quiet is set.
@@ -55,12 +55,12 @@ class CmdBoot(COMMAND_DEFAULT_CLASS):
 
         boot_list = []
 
-        if 'port' in self.switches:
-            # Boot a particular port.
-            sessions = SESSIONS.get_session_list(True)
+        if 'sid' in self.switches:
+            # Boot a particular session id.
+            sessions = SESSIONS.get_sessions(True)
             for sess in sessions:
-                # Find the session with the matching port number.
-                if sess.getClientAddress()[1] == int(args):
+                # Find the session with the matching session id.
+                if sess.sessid == int(args):
                     boot_list.append(sess)
                     break
         else: