diff --git a/libervia/backend/plugins/plugin_xep_0356.py b/libervia/backend/plugins/plugin_xep_0356.py
index 527a8cb9..92ff07e0 100644
--- a/libervia/backend/plugins/plugin_xep_0356.py
+++ b/libervia/backend/plugins/plugin_xep_0356.py
@@ -514,7 +514,7 @@ class XEP_0356:
             log.error(f"Invalid privileged IQ response: {iq_result_elt.toXml()}")
             raise PrivilegeError("Invalid response format")
 
-    async def _on_presence(
+    def _on_presence(
         self, presence_elt: domish.Element, client: SatXMPPComponent
     ) -> None:
         defer.ensureDeferred(self.on_presence(presence_elt, client))
diff --git a/tests/unit/test_plugin_xep_0356.py b/tests/unit/test_plugin_xep_0356.py
index 8314eba3..e27160ba 100644
--- a/tests/unit/test_plugin_xep_0356.py
+++ b/tests/unit/test_plugin_xep_0356.py
@@ -676,7 +676,7 @@ class TestXEP0356PresenceHandling:
 
         G.host.trigger.async_point = mock_async_point
 
-        await xep_0356._on_presence(presence, client)
+        await xep_0356.on_presence(presence, client)
 
         assert len(trigger_point_calls) == 1
         point_name, args = trigger_point_calls[0]
@@ -700,7 +700,7 @@ class TestXEP0356PresenceHandling:
 
         G.host.trigger.async_point = mock_async_point
 
-        await xep_0356._on_presence(presence, client)
+        await xep_0356.on_presence(presence, client)
 
         # We check that async_point was triggered
         assert len(trigger_point_calls) == 1
@@ -716,7 +716,7 @@ class TestXEP0356PresenceHandling:
 
         presence_available = domish.Element((None, "presence"))
         presence_available["from"] = "user@test.example/resource1"
-        await xep_0356._on_presence(presence_available, client)
+        await xep_0356.on_presence(presence_available, client)
 
         assert bare_jid in data.presence_data.online_resources
         assert "resource1" in data.presence_data.online_resources[bare_jid]
@@ -724,7 +724,7 @@ class TestXEP0356PresenceHandling:
         presence_unavailable = domish.Element((None, "presence"))
         presence_unavailable["from"] = "user@test.example/resource1"
         presence_unavailable["type"] = "unavailable"
-        await xep_0356._on_presence(presence_unavailable, client)
+        await xep_0356.on_presence(presence_unavailable, client)
 
         assert bare_jid in data.presence_data.online_resources
         assert "resource1" not in data.presence_data.online_resources[bare_jid]
@@ -739,14 +739,14 @@ class TestXEP0356PresenceHandling:
 
         presence1 = domish.Element((None, "presence"))
         presence1["from"] = "user@test.example/resource1"
-        await xep_0356._on_presence(presence1, client)
+        await xep_0356.on_presence(presence1, client)
 
         assert bare_jid in data.presence_data.online_resources
         assert "resource1" in data.presence_data.online_resources[bare_jid]
 
         presence2 = domish.Element((None, "presence"))
         presence2["from"] = "user@test.example/resource2"
-        await xep_0356._on_presence(presence2, client)
+        await xep_0356.on_presence(presence2, client)
 
         assert "resource1" in data.presence_data.online_resources[bare_jid]
         assert "resource2" in data.presence_data.online_resources[bare_jid]
@@ -762,6 +762,6 @@ class TestXEP0356PresenceHandling:
         presence = domish.Element((None, "presence"))
         presence["from"] = "user@test.example"
 
-        await xep_0356._on_presence(presence, client)
+        await xep_0356.on_presence(presence, client)
 
         assert bare_jid not in data.presence_data.online_resources