diff --git a/matlab/subset.m b/matlab/subset.m
index 76390fce219f15de182fd152e916d90236873f85..41eae520a1c8e951b7b8d37359476dd87f9b1bb3 100644
--- a/matlab/subset.m
+++ b/matlab/subset.m
@@ -31,7 +31,9 @@ elseif strcmpi(info,'AllWithoutMeasurementErros')
   indx = [(1:nvx),nvx+nvn+1:nvx+nvn+ncx,nvx+nvn+ncx+ncn+1:nx]';
 end
 
-if ~isempty(ExcludedParamNames)
+if isempty(ExcludedParamNames)
+  jndx = indx;
+else
   tt = [];
   for i = 1:length(ExcludedParamNames)
     tmp = strmatch(ExcludedParamNames{i},lgx_);