diff --git a/iwla.py b/iwla.py
index 6ab065a..704cd8f 100755
--- a/iwla.py
+++ b/iwla.py
@@ -525,7 +525,7 @@ class IWLA(object):
                 stats = month_stats[i]
                 row = [link_month, stats['nb_visitors'], stats['nb_visits'], stats['viewed_pages'], stats['viewed_hits'],
                        stats['viewed_bandwidth'], stats['not_viewed_bandwidth']]
-                for j in graph_cols:
+                for j in range(1,7):
                     total[j] += row[j]
             else:
                 row = [full_month, 0, 0, 0, 0, 0, 0]