diff --git a/config/hosts/matrix/postgresql.nix b/config/hosts/matrix/postgresql.nix
index 03b753a..06d10e2 100644
--- a/config/hosts/matrix/postgresql.nix
+++ b/config/hosts/matrix/postgresql.nix
@@ -8,6 +8,11 @@
         TEMPLATE template0
         LC_COLLATE = "C"
         LC_CTYPE = "C";
+      CREATE ROLE "mas_user" WITH LOGIN PASSWORD 'mas';
+      CREATE DATABASE "mas" WITH OWNER "mas_user"
+        TEMPLATE template0
+        LC_COLLATE = "C"
+        LC_CTYPE = "C";
     '';
   };
 }