diff --git a/modules/podman-postgresql.nix b/modules/podman-postgresql.nix
index 590354e..ef7f878 100644
--- a/modules/podman-postgresql.nix
+++ b/modules/podman-postgresql.nix
@@ -73,6 +73,7 @@ in
         image = cfg.image;
         ports = [ "${(toString cfg.port)}:5432" ];
         environment = {
+          TZ = "Europe/Berlin";
           POSTGRES_USER = cfg.user;
           POSTGRES_DB = cfg.database;
           POSTGRES_PASSWORD_FILE = cfg.passwordFile;