diff --git a/models/issues/tracked_time.go b/models/issues/tracked_time.go
index ac65d654f..698014afe 100644
--- a/models/issues/tracked_time.go
+++ b/models/issues/tracked_time.go
@@ -199,8 +199,8 @@ func addTime(ctx context.Context, user *user_model.User, issue *Issue, amount in
 	return tt, db.Insert(ctx, tt)
 }
 
-// TotalTimes returns the spent time for each user by an issue
-func TotalTimes(options *FindTrackedTimesOptions) (map[*user_model.User]string, error) {
+// TotalTimes returns the spent time in seconds for each user by an issue
+func TotalTimes(options *FindTrackedTimesOptions) (map[*user_model.User]int64, error) {
 	trackedTimes, err := GetTrackedTimes(db.DefaultContext, options)
 	if err != nil {
 		return nil, err
@@ -211,7 +211,7 @@ func TotalTimes(options *FindTrackedTimesOptions) (map[*user_model.User]string,
 		totalTimesByUser[t.UserID] += t.Time
 	}
 
-	totalTimes := make(map[*user_model.User]string)
+	totalTimes := make(map[*user_model.User]int64)
 	// Fetching User and making time human readable
 	for userID, total := range totalTimesByUser {
 		user, err := user_model.GetUserByID(db.DefaultContext, userID)
@@ -221,7 +221,7 @@ func TotalTimes(options *FindTrackedTimesOptions) (map[*user_model.User]string,
 			}
 			return nil, err
 		}
-		totalTimes[user] = util.SecToTime(total)
+		totalTimes[user] = total
 	}
 	return totalTimes, nil
 }
diff --git a/models/issues/tracked_time_test.go b/models/issues/tracked_time_test.go
index 99b977cca..baa170b20 100644
--- a/models/issues/tracked_time_test.go
+++ b/models/issues/tracked_time_test.go
@@ -86,8 +86,8 @@ func TestTotalTimes(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Len(t, total, 1)
 	for user, time := range total {
-		assert.Equal(t, int64(1), user.ID)
-		assert.Equal(t, "6 minutes 40 seconds", time)
+		assert.EqualValues(t, 1, user.ID)
+		assert.EqualValues(t, 400, time)
 	}
 
 	total, err = issues_model.TotalTimes(&issues_model.FindTrackedTimesOptions{IssueID: 2})
@@ -95,9 +95,9 @@ func TestTotalTimes(t *testing.T) {
 	assert.Len(t, total, 2)
 	for user, time := range total {
 		if user.ID == 2 {
-			assert.Equal(t, "1 hour 1 minute", time)
+			assert.EqualValues(t, 3662, time)
 		} else if user.ID == 1 {
-			assert.Equal(t, "20 seconds", time)
+			assert.EqualValues(t, 20, time)
 		} else {
 			assert.Error(t, assert.AnError)
 		}
@@ -107,8 +107,8 @@ func TestTotalTimes(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Len(t, total, 1)
 	for user, time := range total {
-		assert.Equal(t, int64(2), user.ID)
-		assert.Equal(t, "1 second", time)
+		assert.EqualValues(t, 2, user.ID)
+		assert.EqualValues(t, 1, time)
 	}
 
 	total, err = issues_model.TotalTimes(&issues_model.FindTrackedTimesOptions{IssueID: 4})
diff --git a/templates/repo/issue/view_content/sidebar.tmpl b/templates/repo/issue/view_content/sidebar.tmpl
index c0f5a8d3d..f42965554 100644
--- a/templates/repo/issue/view_content/sidebar.tmpl
+++ b/templates/repo/issue/view_content/sidebar.tmpl
@@ -340,7 +340,7 @@
 							<div class="content">
 								{{template "shared/user/authorlink" $user}}
 								<div class="text">
-									{{$trackedtime}}
+									{{$trackedtime|Sec2Time}}
 								</div>
 							</div>
 						</div>