diff --git a/src/maggma/api/resource/submission.py b/src/maggma/api/resource/submission.py
index 75c62b056..5158c3db6 100644
--- a/src/maggma/api/resource/submission.py
+++ b/src/maggma/api/resource/submission.py
@@ -90,7 +90,7 @@ def __init__(
         self.post_sub_path = post_sub_path
         self.patch_sub_path = patch_sub_path
 
-        new_fields = {}  # type: dict
+        new_fields: dict = {}
         if self.calculate_submission_id:
             new_fields["submission_id"] = (
                 str,