diff --git a/.drone.yml b/.drone.yml
index b741ddf..b1f0cee 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -60,6 +60,7 @@ steps:
     commands:
       - cd esp32_device
       - /opt/esp/entrypoint.sh idf.py build
+      - file build/main.bin
 
 
 volumes: