Index: /branches/release-41/lib/MT/Template/ContextHandlers.pm
===================================================================
--- /branches/release-41/lib/MT/Template/ContextHandlers.pm (revision 2644)
+++ /branches/release-41/lib/MT/Template/ContextHandlers.pm (revision 2654)
@@ -8141,5 +8141,5 @@
     my($last_day, $next_day) = ('00000000') x 2;
     my $i = 0;
-    local $ctx->{__stash}{entries} = \@entries;
+    local $ctx->{__stash}{entries} = (@entries && defined $entries[0]) ? \@entries: undef;
     my $glue = $args->{glue};
     my $vars = $ctx->{__stash}{vars} ||= {};