diff --git a/dmp-backend/notification-service/notification-web/src/main/resources/config/notification.yml b/dmp-backend/notification-service/notification-web/src/main/resources/config/notification.yml
index 69a28861d..a30eac93a 100644
--- a/dmp-backend/notification-service/notification-web/src/main/resources/config/notification.yml
+++ b/dmp-backend/notification-service/notification-web/src/main/resources/config/notification.yml
@@ -228,7 +228,9 @@ notification:
               mandatory: [ ]
               optional:
                 - key: "{email}"
-                  value:
+                  value: email
+                - key: "{expiration_time}"
+                  value: --
               formatting:
                 '[{email}]': null
             cc: [ ]
diff --git a/dmp-backend/notification-service/notification-web/target/classes/config/notification.yml b/dmp-backend/notification-service/notification-web/target/classes/config/notification.yml
index 69a28861d..a30eac93a 100644
--- a/dmp-backend/notification-service/notification-web/target/classes/config/notification.yml
+++ b/dmp-backend/notification-service/notification-web/target/classes/config/notification.yml
@@ -228,7 +228,9 @@ notification:
               mandatory: [ ]
               optional:
                 - key: "{email}"
-                  value:
+                  value: email
+                - key: "{expiration_time}"
+                  value: --
               formatting:
                 '[{email}]': null
             cc: [ ]