diff --git a/borg/archive.py b/borg/archive.py
index aaa907b34..52907e33c 100644
--- a/borg/archive.py
+++ b/borg/archive.py
@@ -179,12 +179,15 @@ def load(self, id):
     @property
     def ts(self):
         """Timestamp of archive creation (start) in UTC"""
-        return parse_timestamp(self.metadata[b'time'])
+        ts = self.metadata[b'time']
+        return parse_timestamp(ts)
 
     @property
     def ts_end(self):
         """Timestamp of archive creation (end) in UTC"""
-        return parse_timestamp(self.metadata[b'time_end'])
+        # fall back to time if there is no time_end present in metadata
+        ts = self.metadata.get(b'time_end') or self.metadata[b'time']
+        return parse_timestamp(ts)
 
     @property
     def fpr(self):
@@ -231,9 +234,11 @@ def save(self, name=None, timestamp=None):
             raise self.AlreadyExists(name)
         self.items_buffer.flush(flush=True)
         if timestamp is None:
+            self.end = datetime.utcnow()
             start = self.start
             end = self.end
         else:
+            self.end = timestamp
             start = timestamp
             end = timestamp  # we only have 1 value
         metadata = StableDict({