diff --git a/matlab/ident_bruteforce.m b/matlab/ident_bruteforce.m
index 592ffcd07c119c17cdb57814ec1217a3bebc4b91..a5f6094b0cd7d96471e85d66912ab2c6330030ee 100644
--- a/matlab/ident_bruteforce.m
+++ b/matlab/ident_bruteforce.m
@@ -84,7 +84,9 @@ for ll = 1:n,
         for i=1:k,
             plist='';
             for ii=1:ll,
-                plist = [plist ' $' pnames_TeX(pars{i,ll}(ii),:) '$ '];
+                if ~isnan(pars{i,ll}),
+                    plist = [plist ' $' pnames_TeX(pars{i,ll}(ii),:) '$ '];
+                end
             end
             fprintf(fidTeX,'$%s$ & [%s] & %7.3f \\\\ \n',...
                 pnames_TeX(i,:),...