diff --git a/mods/CORE/mcl_commands/init.lua b/mods/CORE/mcl_commands/init.lua
index ebab70769d..0b69b5aa87 100644
--- a/mods/CORE/mcl_commands/init.lua
+++ b/mods/CORE/mcl_commands/init.lua
@@ -106,7 +106,7 @@ mcl_commands.types = {
 				return S("Alphanumerical is invalid!")
 			end
 		end},
-	username     = {"([A-Za-z0-9-_]+)}",
+	username     = {"([A-Za-z0-9-_]+)",
 		function(res, pointer)
 			--if minetest.player_exists(res[pointer]) then
 			if res[pointer] then