diff --git a/src/plugins/plugin_tickets_import_bugzilla.py b/src/plugins/plugin_tickets_import_bugzilla.py
index d34615a4..e7b18deb 100755
--- a/src/plugins/plugin_tickets_import_bugzilla.py
+++ b/src/plugins/plugin_tickets_import_bugzilla.py
@@ -68,8 +68,8 @@ class BugzillaParser(object):
         for bug in root.xpath('bug'):
             ticket = {}
             ticket['id'] = bug.findtext('bug_id')
-            ticket['creation'] = bug.findtext('creation_ts')
-            ticket['update'] = bug.findtext('delta_ts')
+            ticket['created'] = utils.date_parse(bug.findtext('creation_ts'))
+            ticket['updated'] = utils.date_parse(bug.findtext('delta_ts'))
             ticket['title'] = bug.findtext('short_desc')
             reporter_elt = bug.find('reporter')
             ticket['reporter'] = reporter_elt.get('name')