diff --git a/src/@dseries/subsref.m b/src/@dseries/subsref.m
index 901710b0f228061f29a7934a889f9e9c230ca5e3..fcf53416a69668dc04d6019696a63a1fe7bc573b 100644
--- a/src/@dseries/subsref.m
+++ b/src/@dseries/subsref.m
@@ -116,6 +116,7 @@ switch S(1).type
             'abs','abs_', ...
             'isnan', ...
             'firstdate', ...
+            'lastdate', ...
             'firstobservedperiod', ...
             'lastobservedperiod', ...
             'lineartrend', ...