diff --git a/packages/nuxt/src/index.ts b/packages/nuxt/src/index.ts
index 8a8a68ae28..a68261c4d2 100644
--- a/packages/nuxt/src/index.ts
+++ b/packages/nuxt/src/index.ts
@@ -68,7 +68,7 @@ export default defineNuxtModule<UnocssNuxtOptions>({
       const preset = nuxt.options.postcss.plugins.cssnano.preset
       nuxt.options.postcss.plugins.cssnano = {
         preset: [preset?.[0] || 'default', Object.assign(
-          preset?.[1] || {}, { mergeRules: false },
+          preset?.[1] || {}, { mergeRules: false, normalizeWhitespace: false },
         )],
       }
     }