diff --git a/tests/test_api.py b/tests/test_api.py
index 903e0d0..f461448 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -39,6 +39,19 @@ def test_board_hides_pull_requests_and_reconciles(client):
     assert [c["issue_number"] for c in state["done"]] == [3]  # reconciled
 
 
+def test_board_renders_closed_issue_in_done_column(client):
+    # Regression: reconcile moved the closed issue's row to "done", but
+    # the board merged open issues only, so the card never rendered and
+    # the "Terminé" column stayed empty.
+    models.move_issue("Projets/demo", 3, "todo")  # closed in Gitea
+    r = client.get("/board/Projets/demo")
+    assert r.status_code == 200
+    assert "Ancienne tâche" in r.text
+    payload = client.get("/api/board/Projets/demo").json()
+    assert payload["columns"]["done"]["count"] == 1
+    assert "Ancienne tâche" in payload["columns"]["done"]["html"]
+
+
 def test_focus_lists_in_progress_across_projects(client):
     models.move_issue("Projets/demo", 5, "in_progress")
     r = client.get("/focus")