diff --git a/internal/api/notify_test.go b/internal/api/notify_test.go
index fce410f..5b9e8b3 100644
--- a/internal/api/notify_test.go
+++ b/internal/api/notify_test.go
@@ -158,3 +158,33 @@ func TestDailySummary(t *testing.T) {
 		t.Fatal("only one summary per day")
 	}
 }
+
+func TestDailySummaryIncludesGroupSharedLists(t *testing.T) {
+	srv, sent := notifyServer(t)
+	store := srv.store
+	owner, _ := newTestUser(t, store, "chef@example.com")
+	me, _ := newTestUser(t, store, "team@example.com")
+	team, err := store.CreateTeam("", "Arbeit", "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, uid := range []string{owner.ID, me.ID} { // the owner must see the group to share with it
+		if err := store.AddTeamMember(team.ID, uid, "member"); err != nil {
+			t.Fatal(err)
+		}
+	}
+	list, _ := store.CreateTaskList(owner.ID, "", "", "Projekt", "📋", "#000000")
+	if _, err := store.AddTaskListShare(list.ID, "team", team.ID, "editor", owner.ID); err != nil {
+		t.Fatal(err)
+	}
+	th, _ := store.CreateThoughtWithDetails(owner.ID, "Bericht abgeben", "normal", "manual", "2026-10-30T10:00", list.ID, "todo", "")
+	_, _ = store.UpdateThoughtTriage(owner.ID, th.ID, "keep", "task", "", "2026-10-30T10:00", list.ID)
+
+	set := store.NotificationSettingsOf(me.ID)
+	set.DailySummary = domain.DailySummary{Enabled: true, Time: "07:00", Email: true}
+	_ = store.SetNotificationSettings(me.ID, set)
+	srv.sendDailySummaries(time.Date(2026, 10, 30, 7, 1, 0, 0, time.Local))
+	if len(*sent) != 1 || !strings.Contains((*sent)[0].text, "Bericht abgeben (Projekt)") {
+		t.Fatalf("group-shared task missing: %+v", *sent)
+	}
+}
diff --git a/internal/storage/notifications.go b/internal/storage/notifications.go
index ce6c5ee..0892750 100644
--- a/internal/storage/notifications.go
+++ b/internal/storage/notifications.go
@@ -208,15 +208,20 @@ func (s *Store) ActiveUserIDs() []string {
 	return out
 }
 
-// OpenTasksDueBefore lists the user's open tasks (own ones and those of shared task lists) due before
+// OpenTasksDueBefore lists the user's open tasks (own ones, those of own lists and of lists shared with
+// the user directly or through a group) due before
 // the given day (YYYY-MM-DD, exclusive), oldest first.
 func (s *Store) OpenTasksDueBefore(userID, beforeDay string) ([]SummaryTask, error) {
 	rows, err := s.db.Query(`SELECT t.content, t.due_date, COALESCE(l.title, '')
 		FROM thoughts t LEFT JOIN task_lists l ON l.id = t.task_list_id
 		WHERE (t.status = 'kept' OR (t.status = 'converted' AND t.converted_type = 'task'))
 		  AND t.is_completed = 0 AND t.due_date != '' AND substr(t.due_date, 1, 10) < ?
-		  AND (t.user_id = ? OR (t.task_list_id != '' AND t.task_list_id IN (SELECT task_list_id FROM task_list_shares WHERE target_type = 'user' AND target_id = ?)))
-		ORDER BY t.due_date`, beforeDay, userID, userID)
+		  AND (t.user_id = ? OR (t.task_list_id != '' AND t.task_list_id IN (
+		        SELECT id FROM task_lists WHERE user_id = ?
+		        UNION SELECT task_list_id FROM task_list_shares WHERE target_type = 'user' AND target_id = ?
+		        UNION SELECT task_list_id FROM task_list_shares WHERE target_type = 'team'
+		              AND target_id IN (SELECT team_id FROM team_members WHERE user_id = ?))))
+		ORDER BY t.due_date`, beforeDay, userID, userID, userID, userID)
 	if err != nil {
 		return nil, err
 	}