diff --git a/packages/nuxt/src/pages/utils.ts b/packages/nuxt/src/pages/utils.ts
index 923348c5a9..b89348ae6e 100644
--- a/packages/nuxt/src/pages/utils.ts
+++ b/packages/nuxt/src/pages/utils.ts
@@ -256,13 +256,19 @@ export async function getRouteMeta (contents: string, absolutePath: string): Pro
         extractedMeta[key] = property.value.value
       }
 
-      const extraneousMetaKeys = pageMetaArgument.properties
-        .filter(property => property.type === 'Property' && property.key.type === 'Identifier' && !(extractionKeys as unknown as string[]).includes(property.key.name))
-        // @ts-expect-error inferred types have been filtered out
-        .map(property => property.key.name)
-
-      if (extraneousMetaKeys.length) {
-        dynamicProperties.add('meta')
+      for (const property of pageMetaArgument.properties) {
+        if (property.type !== 'Property') {
+          continue
+        }
+        const isIdentifierOrLiteral = property.key.type === 'Literal' || property.key.type === 'Identifier'
+        if (!isIdentifierOrLiteral) {
+          continue
+        }
+        const name = property.key.type === 'Identifier' ? property.key.name : String(property.value)
+        if (!(extractionKeys as unknown as string[]).includes(name)) {
+          dynamicProperties.add('meta')
+          break
+        }
       }
 
       if (dynamicProperties.size) {
diff --git a/packages/nuxt/test/page-metadata.test.ts b/packages/nuxt/test/page-metadata.test.ts
index 4431b80f2f..01d98b9503 100644
--- a/packages/nuxt/test/page-metadata.test.ts
+++ b/packages/nuxt/test/page-metadata.test.ts
@@ -75,6 +75,28 @@ describe('page metadata', () => {
       }
     `)
   })
+
+  it('should extract serialisable metadata all quoted', async () => {
+    const meta = await getRouteMeta(`
+    <script setup>
+    definePageMeta({
+      "otherValue": {
+        foo: 'bar',
+      },
+    })
+    </script>
+    `, filePath)
+
+    expect(meta).toMatchInlineSnapshot(`
+      {
+        "meta": {
+          "__nuxt_dynamic_meta_key": Set {
+            "meta",
+          },
+        },
+      }
+    `)
+  })
 })
 
 describe('normalizeRoutes', () => {