diff --git a/packages/backend/server/src/env.ts b/packages/backend/server/src/env.ts
index ea2a76b5e..39ddce4a6 100644
--- a/packages/backend/server/src/env.ts
+++ b/packages/backend/server/src/env.ts
@@ -132,4 +132,8 @@ export class Env implements AppEnv {
   }
 }
 
-globalThis.env = new Env();
+export const createGlobalEnv = () => {
+  if (!globalThis.env) {
+    globalThis.env = new Env();
+  }
+};
diff --git a/packages/backend/server/src/prelude.ts b/packages/backend/server/src/prelude.ts
index 469da6c69..a05f98f5f 100644
--- a/packages/backend/server/src/prelude.ts
+++ b/packages/backend/server/src/prelude.ts
@@ -1,5 +1,4 @@
 import 'reflect-metadata';
-import './env';
 
 import { existsSync, readFileSync } from 'node:fs';
 import { homedir } from 'node:os';
@@ -7,6 +6,8 @@ import { join } from 'node:path';
 
 import { config } from 'dotenv';
 
+import { createGlobalEnv } from './env';
+
 const CUSTOM_CONFIG_PATH = `${homedir()}/.affine/config`;
 
 function loadPrivateKey() {
@@ -37,3 +38,4 @@ function load() {
 }
 
 load();
+createGlobalEnv();