diff --git a/cfg/cppcheck-cfg.rng b/cfg/cppcheck-cfg.rng
index 553ad198d..84ac7040d 100644
--- a/cfg/cppcheck-cfg.rng
+++ b/cfg/cppcheck-cfg.rng
@@ -598,7 +598,7 @@
   <define name="ARGNO">
     <data type="integer">
       <param name="minInclusive">1</param>
-      <param name="maxInclusive">20</param>
+      <param name="maxInclusive">40</param>
     </data>
   </define>