diff --git a/matlab/GetAllPosteriorDraws.m b/matlab/GetAllPosteriorDraws.m
index c17de8ece2fc7c3c16b7bd44c1fcde9eb795e7da..856268d93383427f203b09943bb778bd3d7e1867 100644
--- a/matlab/GetAllPosteriorDraws.m
+++ b/matlab/GetAllPosteriorDraws.m
@@ -9,20 +9,21 @@ DirectoryName = CheckPath('metropolis');
 Draws = zeros(NumberOfDraws*nblck,1);
 logpo = zeros(NumberOfDraws*nblck,1);
 ipost=0;
-if column<0, 
+if column<=0, 
   column=1;  
   ipost=1;
 end
-
-for file = FirstMhFile:TotalNumberOfMhFile
-  for blck = 1:nblck
+iline0=iline;
+for blck = 1:nblck
+  iline=iline0;
+  for file = FirstMhFile:TotalNumberOfMhFile
     load([DirectoryName '/'  M_.fname '_mh' int2str(file) '_blck' int2str(blck)],'x2','logpo2')
     NumberOfLines = size(x2(iline:end,:),1);
     Draws(linee:linee+NumberOfLines-1) = x2(iline:end,column);
     logpo(linee:linee+NumberOfLines-1) = logpo2(iline:end);
     linee = linee+NumberOfLines;
+    iline = 1;
   end
-  iline = 1;
 end
 
 if ipost,