diff --git a/nixos/modules/services/web-apps/mattermost.nix b/nixos/modules/services/web-apps/mattermost.nix
index be9af78da181..bc88a808abc9 100644
--- a/nixos/modules/services/web-apps/mattermost.nix
+++ b/nixos/modules/services/web-apps/mattermost.nix
@@ -185,7 +185,7 @@ in
         '' + lib.optionalString cfg.localDatabaseCreate ''
           if ! test -e "${cfg.statePath}/.db-created"; then
             ${config.services.postgresql.package}/bin/psql postgres -c \
-              "CREATE ROLE ${cfg.localDatabaseUser} WITH LOGIN NOCREATEDB NOCREATEROLE NOCREATEUSER ENCRYPTED PASSWORD '${cfg.localDatabasePassword}'"
+              "CREATE ROLE ${cfg.localDatabaseUser} WITH LOGIN NOCREATEDB NOCREATEROLE ENCRYPTED PASSWORD '${cfg.localDatabasePassword}'"
             ${config.services.postgresql.package}/bin/createdb \
               --owner ${cfg.localDatabaseUser} ${cfg.localDatabaseName}
             touch ${cfg.statePath}/.db-created