diff --git a/cmd/restic/cmd_backup.go b/cmd/restic/cmd_backup.go
index 26e5434f1..191a3037b 100644
--- a/cmd/restic/cmd_backup.go
+++ b/cmd/restic/cmd_backup.go
@@ -417,7 +417,7 @@ func runBackup(opts BackupOptions, gopts GlobalOptions, args []string) error {
 
 	// Find last snapshot to set it as parent, if not already set
 	if !opts.Force && parentSnapshotID == nil {
-		id, err := restic.FindLatestSnapshot(context.TODO(), repo, target, []restic.TagList{opts.Tags}, opts.Hostname)
+		id, err := restic.FindLatestSnapshot(context.TODO(), repo, target, []restic.TagList{}, opts.Hostname)
 		if err == nil {
 			parentSnapshotID = &id
 		} else if err != restic.ErrNoSnapshotFound {
diff --git a/cmd/restic/integration_test.go b/cmd/restic/integration_test.go
index f83dd3c5c..dbc48703e 100644
--- a/cmd/restic/integration_test.go
+++ b/cmd/restic/integration_test.go
@@ -656,6 +656,7 @@ func TestBackupTags(t *testing.T) {
 	rtest.Assert(t, newest != nil, "expected a new backup, got nil")
 	rtest.Assert(t, len(newest.Tags) == 0,
 		"expected no tags, got %v", newest.Tags)
+	parent := newest
 
 	opts.Tags = []string{"NL"}
 	testRunBackup(t, []string{env.testdata}, opts, env.gopts)
@@ -664,6 +665,9 @@ func TestBackupTags(t *testing.T) {
 	rtest.Assert(t, newest != nil, "expected a new backup, got nil")
 	rtest.Assert(t, len(newest.Tags) == 1 && newest.Tags[0] == "NL",
 		"expected one NL tag, got %v", newest.Tags)
+	// Tagged backup should have untagged backup as parent.
+	rtest.Assert(t, parent.ID.Equal(*newest.Parent),
+		"expected parent to be %v, got %v", parent.ID, newest.Parent)
 }
 
 func testRunTag(t testing.TB, opts TagOptions, gopts GlobalOptions) {