diff --git a/readthedocs/builds/admin.py b/readthedocs/builds/admin.py
index 62d85bb6f3b..84e1e831cef 100644
--- a/readthedocs/builds/admin.py
+++ b/readthedocs/builds/admin.py
@@ -44,6 +44,7 @@ class BuildAdmin(admin.ModelAdmin):
         'type',
         'state',
         'date',
+        'length'
     )
     list_filter = ('type', 'state', 'success')
     list_select_related = ('project', 'version')