diff --git a/.changeset/cloudflare-current-platform.md b/.changeset/cloudflare-current-platform.md
new file mode 100644
index 000000000000..b043c68fd700
--- /dev/null
+++ b/.changeset/cloudflare-current-platform.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-cloudflare': patch
+---
+
+fix: read the current Cloudflare platform proxy after Wrangler config reloads
diff --git a/packages/adapter-cloudflare/src/virtual-cloudflare-workers.js b/packages/adapter-cloudflare/src/virtual-cloudflare-workers.js
index 189a5e1ce032..3c405e64adf3 100644
--- a/packages/adapter-cloudflare/src/virtual-cloudflare-workers.js
+++ b/packages/adapter-cloudflare/src/virtual-cloudflare-workers.js
@@ -3,10 +3,8 @@ import { AsyncLocalStorage } from 'node:async_hooks';
 
 const als = new AsyncLocalStorage();
 
-const proxy = globalThis.__sveltekit_cloudflare_platform;
-
 function get_current_env() {
-	return als.getStore() ?? proxy?.env;
+	return als.getStore() ?? globalThis.__sveltekit_cloudflare_platform?.env;
 }
 
 /** @typedef {typeof CloudflareWorkersModule} Module */
@@ -15,7 +13,7 @@ export const env = new Proxy(
 	{},
 	{
 		get(_, prop) {
-			if (!proxy) {
+			if (!globalThis.__sveltekit_cloudflare_platform) {
 				throw new Error(`Cannot access cloudflare:workers in a prerenderable route`);
 			}
 			const inner = get_current_env();
@@ -26,7 +24,7 @@ export const env = new Proxy(
 		},
 
 		set(_, prop, newValue) {
-			if (!proxy) {
+			if (!globalThis.__sveltekit_cloudflare_platform) {
 				throw new Error(`Cannot access cloudflare:workers in a prerenderable route`);
 			}
 			const inner = get_current_env();
@@ -37,7 +35,7 @@ export const env = new Proxy(
 		},
 
 		has(_, prop) {
-			if (!proxy) {
+			if (!globalThis.__sveltekit_cloudflare_platform) {
 				throw new Error(`Cannot access cloudflare:workers in a prerenderable route`);
 			}
 			const inner = get_current_env();
@@ -48,7 +46,7 @@ export const env = new Proxy(
 		},
 
 		ownKeys(_) {
-			if (!proxy) {
+			if (!globalThis.__sveltekit_cloudflare_platform) {
 				throw new Error(`Cannot access cloudflare:workers in a prerenderable route`);
 			}
 			const inner = get_current_env();
@@ -59,7 +57,7 @@ export const env = new Proxy(
 		},
 
 		deleteProperty(_, prop) {
-			if (!proxy) {
+			if (!globalThis.__sveltekit_cloudflare_platform) {
 				throw new Error(`Cannot access cloudflare:workers in a prerenderable route`);
 			}
 			const inner = get_current_env();
@@ -70,7 +68,7 @@ export const env = new Proxy(
 		},
 
 		defineProperty(_, prop, attr) {
-			if (!proxy) {
+			if (!globalThis.__sveltekit_cloudflare_platform) {
 				throw new Error(`Cannot access cloudflare:workers in a prerenderable route`);
 			}
 			const inner = get_current_env();
@@ -81,7 +79,7 @@ export const env = new Proxy(
 		},
 
 		getOwnPropertyDescriptor(_, prop) {
-			if (!proxy) {
+			if (!globalThis.__sveltekit_cloudflare_platform) {
 				throw new Error(`Cannot access cloudflare:workers in a prerenderable route`);
 			}
 			const inner = get_current_env();
@@ -95,14 +93,14 @@ export const env = new Proxy(
 
 /** @type {Module['withEnv']} */
 export function withEnv(newEnv, fn) {
-	if (!proxy) {
+	if (!globalThis.__sveltekit_cloudflare_platform) {
 		throw new Error(`Cannot access cloudflare:workers in a prerenderable route`);
 	}
 	return als.run(newEnv, fn);
 }
 /** @type {Module['withEnvAndExports']} */
 export function withEnvAndExports(newEnv, _, fn) {
-	if (!proxy) {
+	if (!globalThis.__sveltekit_cloudflare_platform) {
 		throw new Error(`Cannot access cloudflare:workers in a prerenderable route`);
 	}
 	return als.run(newEnv, fn);
diff --git a/packages/adapter-cloudflare/test/apps/workers/test/test.js b/packages/adapter-cloudflare/test/apps/workers/test/test.js
index ed75be3c7df5..ba98659416e3 100644
--- a/packages/adapter-cloudflare/test/apps/workers/test/test.js
+++ b/packages/adapter-cloudflare/test/apps/workers/test/test.js
@@ -1,6 +1,7 @@
 import fs from 'node:fs';
 import path from 'node:path';
 import { expect, test } from '@playwright/test';
+import { location } from '../../../../../../test-utils/deploy.js';
 
 test('worker', async ({ page }) => {
 	await page.goto('/');
@@ -12,6 +13,32 @@ test('cloudflare:workers', async ({ request }) => {
 	expect(await res.text()).toBe('from wrangler.jsonc');
 });
 
+test('cloudflare:workers uses the current bindings after a wrangler config reload', async ({
+	request
+}) => {
+	test.skip(!process.env.DEV);
+	const config_path = path.join(location(process.cwd()), 'config/wrangler.jsonc');
+	const original = fs.readFileSync(config_path, 'utf-8');
+
+	/** @param {string} contents */
+	function write_config(contents) {
+		// Replace atomically so Wrangler cannot read a partially written config.
+		fs.writeFileSync(`${config_path}.tmp`, contents);
+		fs.renameSync(`${config_path}.tmp`, config_path);
+	}
+
+	// Evaluate cloudflare:workers before the platform proxy is replaced.
+	expect(await (await request.get('/env')).text()).toBe('from wrangler.jsonc');
+
+	try {
+		write_config(original.replace('from wrangler.jsonc', 'updated binding'));
+		await expect.poll(async () => (await request.get('/env')).text()).toBe('updated binding');
+	} finally {
+		write_config(original);
+		await expect.poll(async () => (await request.get('/env')).text()).toBe('from wrangler.jsonc');
+	}
+});
+
 test('Request.cf', async ({ request }) => {
 	const res = await request.get('cf');
 	const cf = await res.json();