diff --git a/docker-compose.yml b/docker-compose.yml
index 2f9fb93..d2016dc 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -235,7 +235,7 @@ services:
       ALIASES: api,ca,cloudlink,db,delta,logs,redis,registry2,s3,stats,tunnel
     labels:
       io.balena.features.balena-socket: 1
-      io.balena.features.supervisor-api	: 1
+      io.balena.features.supervisor-api: 1
 
   # https://github.com/balena-io/cert-manager
   # https://certbot.eff.org/docs/using.html