--- a/taskcluster/taskgraph/task/docker_image.py
+++ b/taskcluster/taskgraph/task/docker_image.py
@@ -33,18 +33,17 @@ class DockerImageTask(base.Task):
         super(DockerImageTask, self).__init__(*args, **kwargs)
 
     def __eq__(self, other):
         return super(DockerImageTask, self).__eq__(other) and \
                self.index_paths == other.index_paths
 
     @classmethod
     def load_tasks(cls, kind, path, config, params, loaded_tasks):
-        # TODO: make this match the pushdate (get it from a parameter rather than vcs)
-        pushdate = time.strftime('%Y%m%d%H%M%S', time.gmtime())
+        pushdate = time.strftime('%Y%m%d%H%M%S', time.gmtime(params['pushdate']))
 
         parameters = {
             'pushlog_id': params.get('pushlog_id', 0),
             'pushdate': pushdate,
             'pushtime': pushdate[8:],
             'year': pushdate[0:4],
             'month': pushdate[4:6],
             'day': pushdate[6:8],