diff --git a/.changeset/eleven-bulldogs-provide.md b/.changeset/eleven-bulldogs-provide.md
new file mode 100644
index 000000000000..e8ae0f16cc9b
--- /dev/null
+++ b/.changeset/eleven-bulldogs-provide.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Persist CLI flags when restarting the dev server
diff --git a/packages/astro/src/cli/index.ts b/packages/astro/src/cli/index.ts
index a1f5a54f81f4..27c2a323cbb8 100644
--- a/packages/astro/src/cli/index.ts
+++ b/packages/astro/src/cli/index.ts
@@ -189,6 +189,7 @@ async function runCommand(cmd: string, flags: yargs.Arguments) {
 			await devServer(settings, {
 				configFlag,
 				configFlagPath,
+				flags,
 				logging,
 				telemetry,
 				handleConfigError(e) {
diff --git a/packages/astro/src/core/dev/dev.ts b/packages/astro/src/core/dev/dev.ts
index 074501b04a34..9682ac796fb6 100644
--- a/packages/astro/src/core/dev/dev.ts
+++ b/packages/astro/src/core/dev/dev.ts
@@ -3,6 +3,7 @@ import type http from 'http';
 import type { AddressInfo } from 'net';
 import { performance } from 'perf_hooks';
 import * as vite from 'vite';
+import yargs from 'yargs-parser';
 import type { AstroSettings } from '../../@types/astro';
 import { info, LogOptions, warn } from '../logger/core.js';
 import * as msg from '../messages.js';
@@ -12,6 +13,7 @@ import { createContainerWithAutomaticRestart } from './restart.js';
 export interface DevOptions {
 	configFlag: string | undefined;
 	configFlagPath: string | undefined;
+	flags: yargs.Arguments | undefined;
 	logging: LogOptions;
 	telemetry: AstroTelemetry;
 	handleConfigError: (error: Error) => void;
@@ -35,7 +37,7 @@ export default async function dev(
 
 	// Create a container which sets up the Vite server.
 	const restart = await createContainerWithAutomaticRestart({
-		flags: {},
+		flags: options.flags ?? {},
 		handleConfigError: options.handleConfigError,
 		// eslint-disable-next-line no-console
 		beforeRestart: () => console.clear(),