diff --git a/code/classes/SCDclass_algo.m b/code/classes/SCDclass_algo.m
index b1c7aa9a25942f14ff9afd172a53f070aab69782..0ae46fc0282b77ffb1708b6d540dee4325f40316 100644
--- a/code/classes/SCDclass_algo.m
+++ b/code/classes/SCDclass_algo.m
@@ -227,7 +227,7 @@ classdef SCDclass_algo
          
            if(~isempty(obj.stdinits))
                for ii=1:numel(obj.stdinits)
-                   if contains(char(obj.stdinits{ii}{2}),targetstruct)
+                   if contains(obj.stdinits{ii}{2},targetstruct)
                        warning('SCDclass_algo:addfpinitfcn','A function defining the structure %s has already been added, ignoring.\d',targetstruct)
                        return
                    end