diff --git a/gateway/display_config.py b/gateway/display_config.py
index 3b278745f45..181ce3dbbc0 100644
--- a/gateway/display_config.py
+++ b/gateway/display_config.py
@@ -239,7 +239,7 @@ def _normalise(setting: str, value: Any) -> Any:
         if value is True:
             return "all"
         val = str(value).strip().lower()
-        return val if val in {"off", "new", "all", "verbose"} else "all"
+        return val if val in {"off", "new", "all", "verbose", "log"} else "all"
     if setting in {
         "show_reasoning",
         "streaming",
diff --git a/tests/gateway/test_busy_session_ack.py b/tests/gateway/test_busy_session_ack.py
index ed3abe6d7a8..66c4672f21c 100644
--- a/tests/gateway/test_busy_session_ack.py
+++ b/tests/gateway/test_busy_session_ack.py
@@ -266,8 +266,12 @@ class TestBusySessionAck:
         adapter._send_with_retry.assert_not_called()
 
     @pytest.mark.asyncio
-    async def test_steer_mode_calls_agent_steer_no_interrupt_no_queue(self):
+    async def test_steer_mode_calls_agent_steer_no_interrupt_no_queue(self, monkeypatch):
         """busy_input_mode='steer' injects via agent.steer() and skips queueing."""
+        import gateway.run as _gr
+
+        monkeypatch.delenv("HERMES_GATEWAY_BUSY_STEER_ACK_ENABLED", raising=False)
+        monkeypatch.setattr(_gr, "_load_gateway_config", lambda: {})
         runner, sentinel = _make_runner()
         runner._busy_input_mode = "steer"
         adapter = _make_adapter()