diff --git a/papi/main.py b/papi/main.py
index 1415a2e..413fc7e 100644
--- a/papi/main.py
+++ b/papi/main.py
@@ -89,5 +89,3 @@ def historique(idsonde):
             for d in diff["changements"]:
                 line = date, *utils.clean_state(d)
                 yield " ".join(line)
-        else:
-            print(f"no change for {date}")
diff --git a/tests/test_papi.py b/tests/test_papi.py
index 9c7f78f..98ca4fe 100644
--- a/tests/test_papi.py
+++ b/tests/test_papi.py
@@ -90,6 +90,27 @@ def test_historique():
     assert len(debut_supervision) == 1
     assert debut_supervision[0] == f"{data['date']} test_historique absent ok"
 
+    data = testutils.probe_sample_body(
+        channel_name="test_historique", channel_id=0, status="error"
+    )
+    response = client.post(f"/sonde/{id_sonde}/", json=data)
+    assert response.ok
+
+    ok_erreur_supervision = client.get(f"/sonde/{id_sonde}/historique")
+    ok_erreur_supervision = ok_erreur_supervision.json()
+    assert ok_erreur_supervision[-1] == f"{data['date']} test_historique ok error"
+
+    data = testutils.probe_sample_body(
+        channel_name="test_historique", channel_id=0, status="error"
+    )
+    data["channels"] = []
+    response = client.post(f"/sonde/{id_sonde}/", json=data)
+    assert response.ok
+
+    perte_supervision = client.get(f"/sonde/{id_sonde}/historique")
+    perte_supervision = perte_supervision.json()
+    assert perte_supervision[-1] == f"{data['date']} test_historique error absent"
+
 
 class CodeCoverageTestCase(TestCase):