diff --git a/pkg/models/task_reminder.go b/pkg/models/task_reminder.go
index 917e37c6e..a6ec05c84 100644
--- a/pkg/models/task_reminder.go
+++ b/pkg/models/task_reminder.go
@@ -171,6 +171,8 @@ func getTasksWithRemindersDueAndTheirUsers(s *xorm.Session, now time.Time) (remi
 		usersPerTask[ur.Task.ID] = append(usersPerTask[ur.Task.ID], ur)
 	}
 
+	seen := make(map[int64]map[int64]bool)
+
 	// Time zone cache per time zone string to avoid parsing the same time zone over and over again
 	tzs := make(map[string]*time.Location)
 	// Figure out which reminders are actually due in the time zone of the users
@@ -178,6 +180,17 @@ func getTasksWithRemindersDueAndTheirUsers(s *xorm.Session, now time.Time) (remi
 
 		for _, u := range usersPerTask[r.TaskID] {
 
+			// This ensures we send each reminder only once to each user
+			if seen[r.TaskID] == nil {
+				seen[r.Ta2skID] = make(map[int64]bool)
+			}
+
+			if _, exists := seen[r.TaskID][u.User.ID]; exists {
+				continue
+			}
+
+			seen[r.TaskID][u.User.ID] = true
+
 			if u.User.Timezone == "" {
 				u.User.Timezone = config.GetTimeZone().String()
 			}
diff --git a/pkg/models/task_reminder_test.go b/pkg/models/task_reminder_test.go
index 12eefe2c2..68190f637 100644
--- a/pkg/models/task_reminder_test.go
+++ b/pkg/models/task_reminder_test.go
@@ -30,7 +30,7 @@ func TestReminderGetTasksInTheNextMinute(t *testing.T) {
 		s := db.NewSession()
 		defer s.Close()
 
-		now, err := time.Parse(time.RFC3339Nano, "2018-12-01T01:13:00Z")
+		now, err := time.Parse(time.RFC3339Nano, "2018-12-01T01:12:00Z")
 		assert.NoError(t, err)
 		notifications, err := getTasksWithRemindersDueAndTheirUsers(s, now)
 		assert.NoError(t, err)