diff --git a/examples/farm_ai_demo/farm_ai_demo.h b/examples/farm_ai_demo/farm_ai_demo.h
index 21f28fb4..88b152ac 100644
--- a/examples/farm_ai_demo/farm_ai_demo.h
+++ b/examples/farm_ai_demo/farm_ai_demo.h
@@ -12,5 +12,5 @@
 extern void application_entry(void *arg);
 extern void motor_control(char mode);
 extern void light_control(char mode);
-#endif /* __APP_DEMO_H__ */
+#endif /* __MQTT_DEMO_H__ */