diff --git a/matrix_alertbot/alertmanager.py b/matrix_alertbot/alertmanager.py
index e6c7efb..11b22c0 100644
--- a/matrix_alertbot/alertmanager.py
+++ b/matrix_alertbot/alertmanager.py
@@ -105,7 +105,7 @@ class AlertmanagerClient:
     async def delete_silence(self, silence_id: str) -> None:
         silence = await self.get_silence(silence_id)
 
-        silence_state = silence["state"]
+        silence_state = silence["status"]["state"]
         if silence_state == "expired":
             raise SilenceExpiredError(
                 f"Cannot delete already expired silence with ID {silence_id}"
diff --git a/tests/test_alertmanager.py b/tests/test_alertmanager.py
index ecc41a4..90ca767 100644
--- a/tests/test_alertmanager.py
+++ b/tests/test_alertmanager.py
@@ -43,8 +43,8 @@ class AbstractFakeAlertmanagerServer:
             ]
         )
         self.app["silences"] = [
-            {"id": "silence1", "state": "active"},
-            {"id": "silence2", "state": "expired"},
+            {"id": "silence1", "status": {"state": "active"}},
+            {"id": "silence2", "status": {"state": "expired"}},
         ]
 
         self.runner = web.AppRunner(self.app)
@@ -114,7 +114,7 @@ class FakeAlertmanagerServer(AbstractFakeAlertmanagerServer):
         silence = await request.json()
         if silence["id"] is None:
             silence["id"] = "silence1"
-        silence["state"] = "active"
+        silence["status"] = {"state": "active"}
         silences.append(silence)
 
         return web.Response(
@@ -229,8 +229,8 @@ class AlertmanagerClientTestCase(unittest.IsolatedAsyncioTestCase):
 
         self.assertEqual(
             [
-                {"id": "silence1", "state": "active"},
-                {"id": "silence2", "state": "expired"},
+                {"id": "silence1", "status": {"state": "active"}},
+                {"id": "silence2", "status": {"state": "expired"}},
             ],
             silences,
         )
@@ -305,11 +305,11 @@ class AlertmanagerClientTestCase(unittest.IsolatedAsyncioTestCase):
                 silence2 = await alertmanager.get_silence("silence2")
 
         self.assertEqual(
-            {"id": "silence1", "state": "active"},
+            {"id": "silence1", "status": {"state": "active"}},
             silence1,
         )
         self.assertEqual(
-            {"id": "silence2", "state": "expired"},
+            {"id": "silence2", "status": {"state": "expired"}},
             silence2,
         )
 
@@ -350,7 +350,7 @@ class AlertmanagerClientTestCase(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(
             {
                 "id": "silence1",
-                "state": "active",
+                "status": {"state": "active"},
                 "matchers": [
                     {
                         "name": "alertname",
@@ -384,7 +384,7 @@ class AlertmanagerClientTestCase(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(
             {
                 "id": "silence2",
-                "state": "active",
+                "status": {"state": "active"},
                 "matchers": [
                     {
                         "name": "alertname",
@@ -416,7 +416,7 @@ class AlertmanagerClientTestCase(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(
             {
                 "id": "silence1",
-                "state": "active",
+                "status": {"state": "active"},
                 "matchers": [
                     {
                         "name": "alertname",
@@ -450,7 +450,7 @@ class AlertmanagerClientTestCase(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(
             {
                 "id": "silence1",
-                "state": "active",
+                "status": {"state": "active"},
                 "matchers": [
                     {
                         "name": "alertname",
@@ -510,7 +510,7 @@ class AlertmanagerClientTestCase(unittest.IsolatedAsyncioTestCase):
                 await alertmanager.delete_silence("silence1")
                 silences = await alertmanager.get_silences()
 
-        self.assertEqual([{"id": "silence2", "state": "expired"}], silences)
+        self.assertEqual([{"id": "silence2", "status": {"state": "expired"}}], silences)
 
     async def test_delete_silence_raise_silence_expired(self) -> None:
         async with FakeAlertmanagerServer() as fake_alertmanager_server:
@@ -525,8 +525,8 @@ class AlertmanagerClientTestCase(unittest.IsolatedAsyncioTestCase):
 
         self.assertEqual(
             [
-                {"id": "silence1", "state": "active"},
-                {"id": "silence2", "state": "expired"},
+                {"id": "silence1", "status": {"state": "active"}},
+                {"id": "silence2", "status": {"state": "expired"}},
             ],
             silences,
         )