diff --git a/packages/vite-plugin-react-router/src/plugin.ts b/packages/vite-plugin-react-router/src/plugin.ts
index 7a18e22d4..74f6b49fa 100644
--- a/packages/vite-plugin-react-router/src/plugin.ts
+++ b/packages/vite-plugin-react-router/src/plugin.ts
@@ -109,7 +109,23 @@ export function netlifyPlugin(options: NetlifyPluginOptions = {}): Plugin {
         // Netlify function handler via a virtual module)
         config.build ??= {}
         config.build.rollupOptions ??= {}
+        // Preserve any existing rollup input entries (e.g., from react-router's prerender)
+        // and merge them with our Netlify function handler entry
+        const existingInput = config.build.rollupOptions.input
+        let mergedInput: Record<string, string> = {}
+
+        if (typeof existingInput === 'string') {
+          mergedInput['default'] = existingInput
+        } else if (Array.isArray(existingInput)) {
+          existingInput.forEach((entry, i) => {
+            mergedInput[`entry-${i}`] = entry
+          })
+        } else if (existingInput && typeof existingInput === 'object') {
+          mergedInput = { ...existingInput }
+        }
+
         config.build.rollupOptions.input = {
+          ...mergedInput,
           [FUNCTION_HANDLER_CHUNK]: FUNCTION_HANDLER_MODULE_ID,
         }
         config.build.rollupOptions.output ??= {}
diff --git a/tests/e2e/fixtures/react-router-edge-site/react-router.config.ts b/tests/e2e/fixtures/react-router-edge-site/react-router.config.ts
index 23bad8817..755ea7da9 100644
--- a/tests/e2e/fixtures/react-router-edge-site/react-router.config.ts
+++ b/tests/e2e/fixtures/react-router-edge-site/react-router.config.ts
@@ -4,7 +4,8 @@ export default {
   // Config options...
   // Server-side render by default, to enable SPA mode set this to `false`
   ssr: true,
-  // TODO(serhalp) Revisit this if RR team changes their minds:
-  // https://github.com/remix-run/react-router/issues/13226#issuecomment-2776672461.
-  // prerender: ['/prerendered'],
+  // Previously disabled due to https://github.com/remix-run/react-router/issues/13226#issuecomment-2776672461.
+  // Now enabled after fixing rollupOptions.input merge in plugin.ts to preserve existing entries
+  // including 'virtual:react-router/server-build'.
+  prerender: ['/prerendered'],
 } satisfies Config
diff --git a/tests/e2e/fixtures/react-router-serverless-site/react-router.config.ts b/tests/e2e/fixtures/react-router-serverless-site/react-router.config.ts
index 23bad8817..755ea7da9 100644
--- a/tests/e2e/fixtures/react-router-serverless-site/react-router.config.ts
+++ b/tests/e2e/fixtures/react-router-serverless-site/react-router.config.ts
@@ -4,7 +4,8 @@ export default {
   // Config options...
   // Server-side render by default, to enable SPA mode set this to `false`
   ssr: true,
-  // TODO(serhalp) Revisit this if RR team changes their minds:
-  // https://github.com/remix-run/react-router/issues/13226#issuecomment-2776672461.
-  // prerender: ['/prerendered'],
+  // Previously disabled due to https://github.com/remix-run/react-router/issues/13226#issuecomment-2776672461.
+  // Now enabled after fixing rollupOptions.input merge in plugin.ts to preserve existing entries
+  // including 'virtual:react-router/server-build'.
+  prerender: ['/prerendered'],
 } satisfies Config
diff --git a/tests/e2e/react-router-user-journeys.spec.ts b/tests/e2e/react-router-user-journeys.spec.ts
index 7c9418e40..6332bd289 100644
--- a/tests/e2e/react-router-user-journeys.spec.ts
+++ b/tests/e2e/react-router-user-journeys.spec.ts
@@ -33,9 +33,9 @@ test.describe('React Router user journeys', () => {
       expect(response?.headers()['cache-status']).toMatch(CACHE_STATUS_SERVED_FROM_EDGE)
     })
 
-    // TODO(serhalp) Revisit this if RR team changes their minds:
-    // https://github.com/remix-run/react-router/issues/13226#issuecomment-2776672461.
-    test.skip('serves a response from the CDN (without compute) for a pre-rendered route', async ({
+    // Previously skipped due to https://github.com/remix-run/react-router/issues/13226#issuecomment-2776672461.
+    // Now enabled after fixing rollupOptions.input merge in plugin.ts to preserve existing entries.
+    test('serves a response from the CDN (without compute) for a pre-rendered route', async ({
       page,
       reactRouterServerlessSite,
     }) => {
@@ -177,9 +177,9 @@ test.describe('React Router user journeys', () => {
       expect(response?.headers()['cache-status']).toMatch(CACHE_STATUS_SERVED_FROM_EDGE)
     })
 
-    // TODO(serhalp) Revisit this if RR team changes their minds:
-    // https://github.com/remix-run/react-router/issues/13226#issuecomment-2776672461.
-    test.skip('serves a response from the CDN (without compute) for a pre-rendered route', async ({
+    // Previously skipped due to https://github.com/remix-run/react-router/issues/13226#issuecomment-2776672461.
+    // Now enabled after fixing rollupOptions.input merge in plugin.ts to preserve existing entries.
+    test('serves a response from the CDN (without compute) for a pre-rendered route', async ({
       page,
       reactRouterEdgeSite,
     }) => {