diff --git a/nixos/modules/services/misc/gitlab.nix b/nixos/modules/services/misc/gitlab.nix
index 9eeb1fe01c55..5bf66354f487 100644
--- a/nixos/modules/services/misc/gitlab.nix
+++ b/nixos/modules/services/misc/gitlab.nix
@@ -612,10 +612,11 @@ in {
             ${pkgs.sudo}/bin/sudo -u ${pgSuperUser} ${config.services.postgresql.package}/bin/createdb --owner ${cfg.databaseUsername} ${cfg.databaseName}
             touch "${cfg.statePath}/db-created"
           fi
+
+          # enable required pg_trgm extension for gitlab
+          ${pkgs.sudo}/bin/sudo -u ${pgSuperUser} psql ${cfg.databaseName} -c "CREATE EXTENSION IF NOT EXISTS pg_trgm"
         fi
 
-        # enable required pg_trgm extension for gitlab
-        ${pkgs.sudo}/bin/sudo -u ${pgSuperUser} psql ${cfg.databaseName} -c "CREATE EXTENSION IF NOT EXISTS pg_trgm"
         # Always do the db migrations just to be sure the database is up-to-date
         ${gitlab-rake}/bin/gitlab-rake db:migrate RAILS_ENV=production