diff --git a/tests/unit/test_system_pin.py b/tests/unit/test_system_pin.py
index fb52be8..87475fd 100644
--- a/tests/unit/test_system_pin.py
+++ b/tests/unit/test_system_pin.py
@@ -110,7 +110,7 @@ def test_arm_publishes_arm_request_on_mqtt(app_with_pin):
                 json={"mode": "ARMED_AWAY", "pin": "1234"},
             )
             assert rv.status_code == 202
-            assert rv.get_json()["accepted"] is True
+            assert rv.get_json()["ok"] is True
 
     pub.assert_called_once()
     call_args = pub.call_args
diff --git a/vigilar/web/blueprints/system.py b/vigilar/web/blueprints/system.py
index 884c0c0..771c350 100644
--- a/vigilar/web/blueprints/system.py
+++ b/vigilar/web/blueprints/system.py
@@ -78,7 +78,7 @@ def arm_system():
     except Exception:
         current_app.logger.exception("Failed to publish arm request")
         return jsonify({"error": "bus unavailable"}), 503
-    return jsonify({"accepted": True, "mode": mode}), 202
+    return jsonify({"ok": True, "mode": mode}), 202
 
 
 @system_bp.route("/api/disarm", methods=["POST"])
@@ -91,7 +91,7 @@ def disarm_system():
     except Exception:
         current_app.logger.exception("Failed to publish arm request")
         return jsonify({"error": "bus unavailable"}), 503
-    return jsonify({"accepted": True, "mode": "DISARMED"}), 202
+    return jsonify({"ok": True, "mode": "DISARMED"}), 202
 
 
 @system_bp.route("/api/reset-pin", methods=["POST"])