diff --git a/nomad/migration.py b/nomad/migration.py
index e2a9ae80decf69631182808ab9bad7d21374fb2b..7aad3295a89a40dc829254d032ad2da15a584cb1 100644
--- a/nomad/migration.py
+++ b/nomad/migration.py
@@ -753,7 +753,7 @@ class NomadCOEMigration:
 
         # check for processing errors
         with utils.timer(logger, 'checked upload processing'):
-            per_page = 200
+            per_page = 500
             for page in range(1, math.ceil(upload_total_calcs / per_page) + 1):
                 upload = self.nomad(
                     'uploads.get_upload', upload_id=upload.upload_id, per_page=per_page,