diff --git a/postinst.dist b/postinst.dist
index 98df5b1..8df4590 100755
--- a/postinst.dist
+++ b/postinst.dist
@@ -1,5 +1,5 @@
 #!/bin/sh
-DIR_MODE=0700 adduser --system --home /var/lib/@@PACKAGEDIR@@ @@SERVICEUSER@@
+DIR_MODE=0700 adduser --system --home --group /var/lib/@@PACKAGEDIR@@ @@SERVICEUSER@@
 chmod 700 /var/lib/@@PACKAGEDIR@@
 chmod 600 /etc/@@PACKAGEDIR@@/config.env
 chmod 600 /etc/@@PACKAGEDIR@@/Rocket.toml