diff --git a/app/assets/javascripts/regions.js.coffee b/app/assets/javascripts/regions.js.coffee
index b96d0e2a..03c63cb8 100644
--- a/app/assets/javascripts/regions.js.coffee
+++ b/app/assets/javascripts/regions.js.coffee
@@ -1,9 +1,11 @@
 $(document).ready ->
   $('table.list.dates tbody tr').each ->
-    vals = $(this).find('td.quantity a').map ->
-      val = $(this).html().replace(' ', '').trim()
-      if (val != '')
+    vals = $(this).find('td.quantity').map ->
+      val = $(this).find('a').html().replace(' ', '').trim()
+      if (val && val != '')
         return parseInt val
+      else
+        return 0
 
     $(this).find('.sparkline').sparkline vals, width: '5em'