diff --git a/pkgs/servers/mail/postfix/3.0.nix b/pkgs/servers/mail/postfix/3.0.nix
index 93084f3ba609..786107e9393a 100644
--- a/pkgs/servers/mail/postfix/3.0.nix
+++ b/pkgs/servers/mail/postfix/3.0.nix
@@ -22,13 +22,14 @@ stdenv.mkDerivation rec {
 
     export command_directory=$out/sbin
     export config_directory=/etc/postfix
+    export meta_directory=$out/etc/postfix
     export daemon_directory=$out/libexec/postfix
-    export data_directory=/var/lib/postfix
+    export data_directory=/var/lib/postfix/data
     export html_directory=$out/share/postfix/doc/html
     export mailq_path=$out/bin/mailq
     export manpage_directory=$out/share/man
     export newaliases_path=$out/bin/newaliases
-    export queue_directory=/var/spool/postfix
+    export queue_directory=/var/lib/postfix/queue
     export readme_directory=$out/share/postfix/doc
     export sendmail_path=$out/bin/sendmail