diff --git a/sopel_modules/SpiceBot_Core_Commands/RegNicks.py b/sopel_modules/SpiceBot_Core_Commands/RegNicks.py
index 19196b1..645ccf3 100644
--- a/sopel_modules/SpiceBot_Core_Commands/RegNicks.py
+++ b/sopel_modules/SpiceBot_Core_Commands/RegNicks.py
@@ -17,6 +17,6 @@ def nickname_comand_regnicks(bot, trigger, botcom):
     notregged = []
     for user in SpiceBot.users.dict["online"]:
         usernick = SpiceBot.users.ID(user)
-        if str(usernick).lower() in [x.lower() for x in SpiceBot.users.dict["registered"]]:
+        if str(usernick).lower() not in [x.lower() for x in SpiceBot.users.dict["registered"]]:
             notregged.append(usernick)
     bot.osd("These online users are not registered " + spicemanip(notregged, 'andlist') + ".", trigger.sender, 'notice')