diff --git a/cmd/restic/cmd_tag.go b/cmd/restic/cmd_tag.go
index 4ff94b01d..13842c077 100644
--- a/cmd/restic/cmd_tag.go
+++ b/cmd/restic/cmd_tag.go
@@ -38,9 +38,9 @@ type TagOptions struct {
 	Hosts      []string
 	Paths      []string
 	Tags       restic.TagLists
-	SetTags    restic.TagList
-	AddTags    restic.TagList
-	RemoveTags restic.TagList
+	SetTags    restic.TagLists
+	AddTags    restic.TagLists
+	RemoveTags restic.TagLists
 }
 
 var tagOptions TagOptions
@@ -130,7 +130,7 @@ func runTag(opts TagOptions, gopts GlobalOptions, args []string) error {
 	ctx, cancel := context.WithCancel(gopts.ctx)
 	defer cancel()
 	for sn := range FindFilteredSnapshots(ctx, repo, opts.Hosts, opts.Tags, opts.Paths, args) {
-		changed, err := changeTags(ctx, repo, sn, opts.SetTags, opts.AddTags, opts.RemoveTags)
+		changed, err := changeTags(ctx, repo, sn, opts.SetTags.Flatten(), opts.AddTags.Flatten(), opts.RemoveTags.Flatten())
 		if err != nil {
 			Warnf("unable to modify the tags for snapshot ID %q, ignoring: %v\n", sn.ID(), err)
 			continue
diff --git a/cmd/restic/integration_test.go b/cmd/restic/integration_test.go
index 3d6175318..67dad2ecd 100644
--- a/cmd/restic/integration_test.go
+++ b/cmd/restic/integration_test.go
@@ -840,7 +840,7 @@ func TestTag(t *testing.T) {
 		"expected original ID to be nil, got %v", newest.Original)
 	originalID := *newest.ID
 
-	testRunTag(t, TagOptions{SetTags: []string{"NL"}}, env.gopts)
+	testRunTag(t, TagOptions{SetTags: restic.TagLists{[]string{"NL"}}}, env.gopts)
 	testRunCheck(t, env.gopts)
 	newest, _ = testRunSnapshots(t, env.gopts)
 	rtest.Assert(t, newest != nil, "expected a new backup, got nil")
@@ -850,7 +850,7 @@ func TestTag(t *testing.T) {
 	rtest.Assert(t, *newest.Original == originalID,
 		"expected original ID to be set to the first snapshot id")
 
-	testRunTag(t, TagOptions{AddTags: []string{"CH"}}, env.gopts)
+	testRunTag(t, TagOptions{AddTags: restic.TagLists{[]string{"CH"}}}, env.gopts)
 	testRunCheck(t, env.gopts)
 	newest, _ = testRunSnapshots(t, env.gopts)
 	rtest.Assert(t, newest != nil, "expected a new backup, got nil")
@@ -860,7 +860,7 @@ func TestTag(t *testing.T) {
 	rtest.Assert(t, *newest.Original == originalID,
 		"expected original ID to be set to the first snapshot id")
 
-	testRunTag(t, TagOptions{RemoveTags: []string{"NL"}}, env.gopts)
+	testRunTag(t, TagOptions{RemoveTags: restic.TagLists{[]string{"NL"}}}, env.gopts)
 	testRunCheck(t, env.gopts)
 	newest, _ = testRunSnapshots(t, env.gopts)
 	rtest.Assert(t, newest != nil, "expected a new backup, got nil")
@@ -870,8 +870,8 @@ func TestTag(t *testing.T) {
 	rtest.Assert(t, *newest.Original == originalID,
 		"expected original ID to be set to the first snapshot id")
 
-	testRunTag(t, TagOptions{AddTags: []string{"US", "RU"}}, env.gopts)
-	testRunTag(t, TagOptions{RemoveTags: []string{"CH", "US", "RU"}}, env.gopts)
+	testRunTag(t, TagOptions{AddTags: restic.TagLists{[]string{"US", "RU"}}}, env.gopts)
+	testRunTag(t, TagOptions{RemoveTags: restic.TagLists{[]string{"CH", "US", "RU"}}}, env.gopts)
 	testRunCheck(t, env.gopts)
 	newest, _ = testRunSnapshots(t, env.gopts)
 	rtest.Assert(t, newest != nil, "expected a new backup, got nil")
@@ -882,7 +882,7 @@ func TestTag(t *testing.T) {
 		"expected original ID to be set to the first snapshot id")
 
 	// Check special case of removing all tags.
-	testRunTag(t, TagOptions{SetTags: []string{""}}, env.gopts)
+	testRunTag(t, TagOptions{SetTags: restic.TagLists{[]string{""}}}, env.gopts)
 	testRunCheck(t, env.gopts)
 	newest, _ = testRunSnapshots(t, env.gopts)
 	rtest.Assert(t, newest != nil, "expected a new backup, got nil")