diff --git a/distillery/resources/compose/barrel/docker-compose.yml b/distillery/resources/compose/barrel/docker-compose.yml
index 183f997..21d2de4 100644
--- a/distillery/resources/compose/barrel/docker-compose.yml
+++ b/distillery/resources/compose/barrel/docker-compose.yml
@@ -4,7 +4,7 @@ services:
   barrel:
     build: .
     restart: always
-    hostname: ${VIRTUAL_HOST}
+    hostname: ${VIRTUAL_HOST}.wisski
     environment:
       # port and hostname for this image to use
       VIRTUAL_HOST: ${VIRTUAL_HOST}
diff --git a/distillery/utils/set_trusted_host.sh b/distillery/utils/set_trusted_host.sh
index 95b4cf4..bd8d1f0 100755
--- a/distillery/utils/set_trusted_host.sh
+++ b/distillery/utils/set_trusted_host.sh
@@ -3,7 +3,7 @@
 # This utility script can be used to configure the trusted host settings inside of settings.php. 
 # It doesn't take care of corner cases and should only be used when needed. 
 
-INSTANCE_DOMAIN="$(hostname -f)"
+INSTANCE_DOMAIN="${VIRTUAL_HOST}"
 chmod u+w web/sites/default/settings.php
 echo "" >> web/sites/default/settings.php
 echo "\$settings['trusted_host_patterns'] = ['${INSTANCE_DOMAIN//\./\\\.}'];" >> web/sites/default/settings.php