diff --git a/matlab/pm3.m b/matlab/pm3.m
index 242df77c26c71244556723204e16eff79431f8a9..695b641d8e47218c07ebb30dfc32ce57689ba5ed 100644
--- a/matlab/pm3.m
+++ b/matlab/pm3.m
@@ -356,8 +356,7 @@ if ~options_.nograph && ~options_.no_graph.posterior
         nvar0=cumsum(nvar0);
 
         i=0;
-        for j=1:length(
-
+        for j=1:length(nvar0)
             NAMES = [];
             TEXNAMES = [];
             nvar=nvar0(j);