diff --git a/production/constants.py b/production/constants.py
index 7591a21c21a72e9b40ac8c5fd54c48855b6f3f25..291bdc7ed06bc34034017caee5b35c1ee36415dd 100644
--- a/production/constants.py
+++ b/production/constants.py
@@ -56,6 +56,8 @@ PRODUCTION_OFFICERS_WORK_LOG_TYPES = (
 )
 PRODUCTION_ALL_WORK_LOG_TYPES = (
     ('Production: Proofs have been produced', 'Proofs have been produced'),
+    ('Production: Proofs have been checked by Supervisor',
+     'Proofs have been checked by Supervisor'),
     ('Production: Corrections implemented', 'Corrections implemented'),
     ('Production: Paper has been published', 'Paper has been published'),
     ('Maintaince: Metadata has been updated', 'Metadata has been updated'),