diff --git a/ai_models/__init__.py b/ai_models/__init__.py
index 970b767..2f45bb4 100644
--- a/ai_models/__init__.py
+++ b/ai_models/__init__.py
@@ -5,4 +5,4 @@
 # granted to it by virtue of its status as an intergovernmental organisation
 # nor does it submit to any jurisdiction.
 
-__version__ = "0.2.7"
+__version__ = "0.2.8"
diff --git a/ai_models/model.py b/ai_models/model.py
index 1796d96..7591c90 100644
--- a/ai_models/model.py
+++ b/ai_models/model.py
@@ -107,6 +107,11 @@ def write(self, *args, **kwargs):
     def collect_archive_requests(self, written):
         if self.archive_requests:
             handle, path = written
+            if self.hindcast_reference_date:
+                # The clone is necessary because the handle
+                # does not return always return recently set keys
+                handle = handle.clone()
+
             self.archiving[path].add(handle.as_mars())
 
     def finalise(self):