Drizzle-kit can't load env file via t3-env

Reading config file 'F:\Projects\PROJECTNAME\drizzle.config.ts'
F:\Projects\PROJECTNAME\src\env.mjs:2
import { createEnv } from "@t3-oss/env-nextjs";
^^^^^^

SyntaxError: Cannot use import statement outside a module
    at Object.compileFunction (node:vm:360:18)
    at wrapSafe (node:internal/modules/cjs/loader:1048:15)
    at Module._compile (node:internal/modules/cjs/loader:1083:27)
    at Module._compile (F:\Projects\PROJECTNAME\node_modules\.pnpm\drizzle-kit@0.18.1\node_modules\drizzle-kit\index.js:16334:30)
    at Module._extensions..js (node:internal/modules/cjs/loader:1173:10)
    at Object.newLoader [as .mjs] (F:\Projects\PROJECTNAME\node_modules\.pnpm\drizzle-kit@0.18.1\node_modules\drizzle-kit\index.js:16338:13)
    at Module.load (node:internal/modules/cjs/loader:997:32)
    at Module._load (node:internal/modules/cjs/loader:838:12)
    at Module.require (node:internal/modules/cjs/loader:1021:19)
    at require (node:internal/modules/cjs/helpers:103:18)

Node.js v18.9.0

import type { Config } from "drizzle-kit";
import { env } from "~/env.mjs";

export default {
  schema: "./src/server/schema.ts",
  out: "./drizzle",
  connectionString: env.DATABASE_URL,
} satisfies Config;