diff --git a/packages/nitro/src/rollup/config.ts b/packages/nitro/src/rollup/config.ts
index b5430118d6..041e253e8b 100644
--- a/packages/nitro/src/rollup/config.ts
+++ b/packages/nitro/src/rollup/config.ts
@@ -132,6 +132,8 @@ export const getRollupConfig = (nitroContext: NitroContext) => {
       'process.env.NODE_ENV': nitroContext._nuxt.dev ? '"development"' : '"production"',
       'typeof window': '"undefined"',
       'global.': 'globalThis.',
+      'process.server': 'true',
+      'process.client': 'false',
       'process.env.ROUTER_BASE': JSON.stringify(nitroContext._nuxt.routerBase),
       'process.env.PUBLIC_PATH': JSON.stringify(nitroContext._nuxt.publicPath),
       'process.env.NUXT_STATIC_BASE': JSON.stringify(nitroContext._nuxt.staticAssets.base),