diff --git a/.drone.yml b/.drone.yml
index 9e464d87..11740896 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,7 +11,7 @@ steps:
     registry: bv11-cr01.bessems.eu
     tags: latest
     build_args:
-      BUILDPLATFORM: linux/amd64
+      - BUILDPLATFORM=linux/amd64
     mtu: 1450
     username:
       from_secret: harbor_username