diff --git a/lib/extension/otaUpdate.js b/lib/extension/otaUpdate.js
index e7a112b18..89eab9e5d 100644
--- a/lib/extension/otaUpdate.js
+++ b/lib/extension/otaUpdate.js
@@ -203,7 +203,7 @@ class OTAUpdate extends Extension {
                     const meta = {status: `update_in_progress`, device: resolvedEntity.name};
                     this.mqtt.publish(
                         'bridge/log',
-                        stringify({type: `ota_update`, msg, meta}),
+                        stringify({type: `ota_update`, message: msg, meta}),
                     );
                 }