diff --git a/code/modules/admin/chat_commands.dm b/code/modules/admin/chat_commands.dm
index 9b15729a9e..7664d85b7d 100644
--- a/code/modules/admin/chat_commands.dm
+++ b/code/modules/admin/chat_commands.dm
@@ -84,7 +84,7 @@ GLOBAL_LIST(round_end_notifiees)
 	if(!SSticker.IsRoundInProgress() && SSticker.HasRoundStarted())
 		return "[sender.mention], the round has already ended!"
 	LAZYINITLIST(GLOB.round_end_notifiees)
-	GLOB.round_end_notifiees["<@[sender.mention]>"] = TRUE
+	GLOB.round_end_notifiees[sender.mention] = TRUE
 	return "I will notify [sender.mention] when the round ends."
 
 /datum/tgs_chat_command/sdql