diff --git a/syncoid b/syncoid
index 5c08120..bc7b3dc 100755
--- a/syncoid
+++ b/syncoid
@@ -699,11 +699,9 @@ sub syncdataset {
 					# do an replication to it and replicate as always from oldest to newest
 					# because bookmark sends doesn't support intermediates directly
 					foreach my $snap ( sort { sortsnapshots(\%snaps, $a, $b, 'source') } keys %{ $snaps{'source'} }) {
-						my $comparisonkey = 'creation';
-						if (defined $snaps{'source'}{$snap}{'createtxg'} && defined $bookmark{'createtxg'}) {
-							$comparisonkey = 'createtxg';
-						}
-						if ($snaps{'source'}{$snap}{$comparisonkey} >= $bookmark{$comparisonkey}) {
+						my $comparetxg = defined $snaps{'source'}{$snap}{'createtxg'} && defined $bookmark{'createtxg'};
+						if (($comparetxg && $snaps{'source'}{$snap}{'createtxg'} >= $bookmark{'createtxg'}) ||
+							substr($snaps{'source'}{$snap}{'creation'}, 0, -3) >= $bookmark{'creation'}) {
 							$nextsnapshot = $snap;
 							last;
 						}