diff --git a/group_vars/all.yml b/group_vars/all.yml
index 818c74e2..6400a532 100644
--- a/group_vars/all.yml
+++ b/group_vars/all.yml
@@ -23,7 +23,7 @@ promtail_config_scrape_configs:
     - targets:
         - localhost
       labels:
-        host: ${hostname}
+        host: ${HOSTNAME}
         job: varlogs
         __path__: /var/log/**/**
 # TODO add docker