diff --git a/celery/canvas.py b/celery/canvas.py
index 8a8bede341..d1bf519318 100644
--- a/celery/canvas.py
+++ b/celery/canvas.py
@@ -1273,6 +1273,7 @@ class chord(Signature):
     def from_dict(cls, d, app=None):
         options = d.copy()
         args, options['kwargs'] = cls._unpack_args(**options['kwargs'])
+        args = [maybe_signature(task) for task in args]
         return _upgrade(d, cls(*args, app=app, **options))
 
     @staticmethod