diff --git a/analytics/views.py b/analytics/views.py
index 5a80db27ed..dbe1215f88 100644
--- a/analytics/views.py
+++ b/analytics/views.py
@@ -75,7 +75,7 @@ def get_realm_day_counts():
     result = {}
     for domain in counts:
         cnts = [counts[domain].get(age, 0) for age in reversed(range(8))]
-        cnts = ''.join('<td>%s</td>' % (cnt,) for cnt in cnts)
+        cnts = ''.join('<td class="number">%s</td>' % (cnt,) for cnt in cnts)
         result[domain] = dict(cnts=cnts)
 
     return result