diff --git a/nixos/modules/services/continuous-integration/hydra/default.nix b/nixos/modules/services/continuous-integration/hydra/default.nix
index 87806d48e89f3..ab3de9874b074 100644
--- a/nixos/modules/services/continuous-integration/hydra/default.nix
+++ b/nixos/modules/services/continuous-integration/hydra/default.nix
@@ -320,9 +320,9 @@ in
             if ! [ -e ${baseDir}/.db-created ]; then
               ${pkgs.sudo}/bin/sudo -u ${config.services.postgresql.superUser} ${config.services.postgresql.package}/bin/createuser hydra
               ${pkgs.sudo}/bin/sudo -u ${config.services.postgresql.superUser} ${config.services.postgresql.package}/bin/createdb -O hydra hydra
+              echo "create extension if not exists pg_trgm" | ${pkgs.sudo}/bin/sudo -u ${config.services.postgresql.superUser} -- ${config.services.postgresql.package}/bin/psql hydra
               touch ${baseDir}/.db-created
             fi
-            echo "create extension if not exists pg_trgm" | ${pkgs.sudo}/bin/sudo -u ${config.services.postgresql.superUser} -- ${config.services.postgresql.package}/bin/psql hydra
           ''}
 
           if [ ! -e ${cfg.gcRootsDir} ]; then