diff --git a/code/classes/SCDclass_mdsobjcontainer.m b/code/classes/SCDclass_mdsobjcontainer.m
index 106a1187d460c61bd7b2296a5855e9e1c01fc540..ab53e1cd385618d84187b15ce3c8d392e0bc7d8e 100644
--- a/code/classes/SCDclass_mdsobjcontainer.m
+++ b/code/classes/SCDclass_mdsobjcontainer.m
@@ -186,7 +186,7 @@ classdef SCDclass_mdsobjcontainer
           for ii=2:numel(marteparlist)
              for jj=1:ii-1
                  if strcmp(marteparlist(ii), marteparlist(jj))
-                     fprintf("WARNING: found identical MARTe par. names here: %s", marteparlist{ii});
+                     warning("found identical MARTe par. names here: %s", marteparlist{ii});
                  end
              end
           end