diff --git a/.drone.yml b/.drone.yml
index b1f0cee..149b1f4 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -60,7 +60,7 @@ steps:
     commands:
       - cd esp32_device
       - /opt/esp/entrypoint.sh idf.py build
-      - file build/main.bin
+      - ls -lah build/main.bin
 
 
 volumes: