diff --git a/scada-common/util.lua b/scada-common/util.lua
index 33f542e..f14632f 100644
--- a/scada-common/util.lua
+++ b/scada-common/util.lua
@@ -113,7 +113,7 @@ end
 ---@return table lines
 function util.strwrap(str, limit) return cc_strings.wrap(str, limit) end
 
--- luacheck no unused args
+-- luacheck: no unused args, no unused
 
 -- concatenation with built-in to string
 ---@nodiscard
@@ -138,7 +138,7 @@ function util.sprintf(format, ...)
     return string.format(format, table.unpack(arg))
 end
 
--- luacheck unused args
+-- luacheck: unused args, unused
 
 -- format a number string with commas as the thousands separator<br>
 -- subtracts from spaces at the start if present for each comma used
diff --git a/supervisor/session/rtu/unit_session.lua b/supervisor/session/rtu/unit_session.lua
index 0b0c5d8..711fc75 100644
--- a/supervisor/session/rtu/unit_session.lua
+++ b/supervisor/session/rtu/unit_session.lua
@@ -166,7 +166,7 @@ function unit_session.new(session_id, unit_id, advert, out_queue, log_tag, txn_t
 
     -- PUBLIC TEMPLATE FUNCTIONS --
 
--- luacheck no unused args
+-- luacheck: no unused args
 
     -- handle a packet
     ---@param m_pkt modbus_frame
@@ -182,7 +182,7 @@ function unit_session.new(session_id, unit_id, advert, out_queue, log_tag, txn_t
         log.debug("template unit_session.update() called", true)
     end
 
--- luacheck unused args
+-- luacheck: unused args
 
     -- invalidate build cache
     function public.invalidate_cache()