diff --git a/.drone.yml b/.drone.yml
index a63c438..3ea524a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -69,6 +69,7 @@ steps:
         path: /tmp/cache
     commands:
       - make install
+      - ls -R -l /usr/local/* | grep tfm
     depends_on:
       - build-success