diff --git a/models/issues/tracked_time.go b/models/issues/tracked_time.go
index 795bddeb347b8..c03c1f8fbf284 100644
--- a/models/issues/tracked_time.go
+++ b/models/issues/tracked_time.go
@@ -328,7 +328,7 @@ func GetTrackedTimeByID(ctx context.Context, id int64) (*TrackedTime, error) {
 }
 
 // GetIssueTotalTrackedTime returns the total tracked time for issues by given conditions.
-func GetIssueTotalTrackedTime(ctx context.Context, opts *IssuesOptions, isClosed bool) (int64, error) {
+func GetIssueTotalTrackedTime(ctx context.Context, opts *IssuesOptions, isClosed util.OptionalBool) (int64, error) {
 	if len(opts.IssueIDs) <= MaxQueryParameters {
 		return getIssueTotalTrackedTimeChunk(ctx, opts, isClosed, opts.IssueIDs)
 	}
@@ -351,7 +351,7 @@ func GetIssueTotalTrackedTime(ctx context.Context, opts *IssuesOptions, isClosed
 	return accum, nil
 }
 
-func getIssueTotalTrackedTimeChunk(ctx context.Context, opts *IssuesOptions, isClosed bool, issueIDs []int64) (int64, error) {
+func getIssueTotalTrackedTimeChunk(ctx context.Context, opts *IssuesOptions, isClosed util.OptionalBool, issueIDs []int64) (int64, error) {
 	sumSession := func(opts *IssuesOptions, issueIDs []int64) *xorm.Session {
 		sess := db.GetEngine(ctx).
 			Table("tracked_time").
@@ -365,7 +365,10 @@ func getIssueTotalTrackedTimeChunk(ctx context.Context, opts *IssuesOptions, isC
 		Time int64
 	}
 
-	return sumSession(opts, issueIDs).
-		And("issue.is_closed = ?", isClosed).
+	session := sumSession(opts, issueIDs)
+	if !isClosed.IsNone() {
+		session = session.And("issue.is_closed = ?", isClosed.IsTrue())
+	}
+	return session.
 		SumInt(new(trackedTime), "tracked_time.time")
 }
diff --git a/models/issues/tracked_time_test.go b/models/issues/tracked_time_test.go
index 2774234e7bd33..9beb862ffbca2 100644
--- a/models/issues/tracked_time_test.go
+++ b/models/issues/tracked_time_test.go
@@ -11,6 +11,7 @@ import (
 	issues_model "code.gitea.io/gitea/models/issues"
 	"code.gitea.io/gitea/models/unittest"
 	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/util"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -119,11 +120,15 @@ func TestTotalTimesForEachUser(t *testing.T) {
 func TestGetIssueTotalTrackedTime(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 
-	ttt, err := issues_model.GetIssueTotalTrackedTime(db.DefaultContext, &issues_model.IssuesOptions{MilestoneIDs: []int64{1}}, false)
+	ttt, err := issues_model.GetIssueTotalTrackedTime(db.DefaultContext, &issues_model.IssuesOptions{MilestoneIDs: []int64{1}}, util.OptionalBoolFalse)
 	assert.NoError(t, err)
 	assert.EqualValues(t, 3682, ttt)
 
-	ttt, err = issues_model.GetIssueTotalTrackedTime(db.DefaultContext, &issues_model.IssuesOptions{MilestoneIDs: []int64{1}}, true)
+	ttt, err = issues_model.GetIssueTotalTrackedTime(db.DefaultContext, &issues_model.IssuesOptions{MilestoneIDs: []int64{1}}, util.OptionalBoolTrue)
 	assert.NoError(t, err)
 	assert.EqualValues(t, 0, ttt)
+
+	ttt, err = issues_model.GetIssueTotalTrackedTime(db.DefaultContext, &issues_model.IssuesOptions{MilestoneIDs: []int64{1}}, util.OptionalBoolNone)
+	assert.NoError(t, err)
+	assert.EqualValues(t, 3682, ttt)
 }
diff --git a/routers/web/repo/issue.go b/routers/web/repo/issue.go
index 14781be822da0..95c13340ba6f3 100644
--- a/routers/web/repo/issue.go
+++ b/routers/web/repo/issue.go
@@ -237,10 +237,18 @@ func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption uti
 		}
 	}
 
-	isShowClosed := ctx.FormString("state") == "closed"
-	// if open issues are zero and close don't, use closed as default
+	var isShowClosed util.OptionalBool
+	switch ctx.FormString("state") {
+	case "closed":
+		isShowClosed = util.OptionalBoolTrue
+	case "all":
+		isShowClosed = util.OptionalBoolNone
+	default:
+		isShowClosed = util.OptionalBoolFalse
+	}
+	// if there are closed issues and no open issues, default to showing closed
 	if len(ctx.FormString("state")) == 0 && issueStats.OpenCount == 0 && issueStats.ClosedCount != 0 {
-		isShowClosed = true
+		isShowClosed = util.OptionalBoolTrue
 	}
 
 	if repo.IsTimetrackerEnabled(ctx) {
@@ -260,10 +268,13 @@ func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption uti
 	}
 
 	var total int
-	if !isShowClosed {
-		total = int(issueStats.OpenCount)
-	} else {
+	switch isShowClosed {
+	case util.OptionalBoolTrue:
 		total = int(issueStats.ClosedCount)
+	case util.OptionalBoolNone:
+		total = int(issueStats.OpenCount + issueStats.ClosedCount)
+	default:
+		total = int(issueStats.OpenCount)
 	}
 	pager := context.NewPagination(total, setting.UI.IssuePagingNum, page, 5)
 
@@ -282,7 +293,7 @@ func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption uti
 			ReviewedID:        reviewedID,
 			MilestoneIDs:      mileIDs,
 			ProjectID:         projectID,
-			IsClosed:          util.OptionalBoolOf(isShowClosed),
+			IsClosed:          isShowClosed,
 			IsPull:            isPullOption,
 			LabelIDs:          labelIDs,
 			SortType:          sortType,
@@ -442,11 +453,13 @@ func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption uti
 	ctx.Data["ProjectID"] = projectID
 	ctx.Data["AssigneeID"] = assigneeID
 	ctx.Data["PosterID"] = posterID
-	ctx.Data["IsShowClosed"] = isShowClosed
 	ctx.Data["Keyword"] = keyword
-	if isShowClosed {
+	switch isShowClosed {
+	case util.OptionalBoolTrue:
 		ctx.Data["State"] = "closed"
-	} else {
+	case util.OptionalBoolNone:
+		ctx.Data["State"] = "all"
+	default:
 		ctx.Data["State"] = "open"
 	}
 	ctx.Data["ShowArchivedLabels"] = archived
diff --git a/templates/repo/issue/openclose.tmpl b/templates/repo/issue/openclose.tmpl
index ff5ec3c5a5424..cc10086c049e3 100644
--- a/templates/repo/issue/openclose.tmpl
+++ b/templates/repo/issue/openclose.tmpl
@@ -1,5 +1,5 @@
 <div class="small-menu-items ui compact tiny menu">
-	<a class="{{if not .IsShowClosed}}active {{end}}item" href="{{.OpenLink}}">
+	<a class="{{if eq .State "open"}}active {{end}}item" href="{{.OpenLink}}">
 		{{if .PageIsMilestones}}
 			{{svg "octicon-milestone" 16 "gt-mr-3"}}
 		{{else if .PageIsPullList}}
@@ -9,7 +9,7 @@
 		{{end}}
 		{{ctx.Locale.PrettyNumber .OpenCount}}&nbsp;{{ctx.Locale.Tr "repo.issues.open_title"}}
 	</a>
-	<a class="{{if .IsShowClosed}}active {{end}}item" href="{{.ClosedLink}}">
+	<a class="{{if eq .State "closed"}}active {{end}}item" href="{{.ClosedLink}}">
 		{{svg "octicon-check" 16 "gt-mr-3"}}
 		{{ctx.Locale.PrettyNumber .ClosedCount}}&nbsp;{{ctx.Locale.Tr "repo.issues.closed_title"}}
 	</a>