diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c
index 656035c..9dff79c 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c
@@ -439,7 +439,8 @@ void iot_mqtt_publish_sensor(void) {
         if (plen > 450) {
             PRINT("IOT: payload too large (%u bytes), skipping\n", plen);
         } else {
-            iot_mqtt_publish(topic, payload, plen, 0);
+            /* Use net_srv.c mqtt_publish() -- same path as command responses (proven stable) */
+            mqtt_publish(topic, payload, 0);
         }
     }