diff --git a/.changeset/few-days-refuse.md b/.changeset/few-days-refuse.md
new file mode 100644
index 000000000000..55c595a5e078
--- /dev/null
+++ b/.changeset/few-days-refuse.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Include base in 'page' stage injected scripts
diff --git a/packages/astro/src/core/build/vite-plugin-ssr.ts b/packages/astro/src/core/build/vite-plugin-ssr.ts
index 03dc2069989e..f3c333fa19d9 100644
--- a/packages/astro/src/core/build/vite-plugin-ssr.ts
+++ b/packages/astro/src/core/build/vite-plugin-ssr.ts
@@ -146,7 +146,12 @@ function buildManifest(
 			);
 		}
 		if (settings.scripts.some((script) => script.stage === 'page')) {
-			scripts.push({ type: 'external', value: entryModules[PAGE_SCRIPT_ID] });
+			const src =  entryModules[PAGE_SCRIPT_ID];
+
+			scripts.push({
+				type: 'external',
+				value: joinBase(src)
+			});
 		}
 
 		const links = sortedCSS(pageData).map((pth) => joinBase(pth));
diff --git a/packages/astro/test/fixtures/ssr-request/src/scripts/inject-script.js b/packages/astro/test/fixtures/ssr-request/src/scripts/inject-script.js
new file mode 100644
index 000000000000..570612070abf
--- /dev/null
+++ b/packages/astro/test/fixtures/ssr-request/src/scripts/inject-script.js
@@ -0,0 +1 @@
+console.log("this is injected by injectScript");
diff --git a/packages/astro/test/ssr-request.test.js b/packages/astro/test/ssr-request.test.js
index 446a3e05dafa..08253a12a99b 100644
--- a/packages/astro/test/ssr-request.test.js
+++ b/packages/astro/test/ssr-request.test.js
@@ -13,6 +13,16 @@ describe('Using Astro.request in SSR', () => {
 			adapter: testAdapter(),
 			output: 'server',
 			base: '/subpath/',
+			integrations: [
+				{
+					name: 'inject-script',
+					hooks: {
+						'astro:config:setup'({ injectScript }) {
+							injectScript('page', 'import "/src/scripts/inject-script.js";')
+						}
+					}
+				}
+			],
 			vite: {
 				build: {
 					assetsInlineLimit: 0,
@@ -64,15 +74,17 @@ describe('Using Astro.request in SSR', () => {
 		const html = await response.text();
 		const $ = cheerioLoad(html);
 
-		const scriptSrc = $('script').attr('src');
-		expect(scriptSrc.startsWith('/subpath/')).to.equal(true);
+		for(const el of $('script')) {
+			const scriptSrc = $(el).attr('src');
+			expect(scriptSrc.startsWith('/subpath/')).to.equal(true);
 
-		request = new Request('http://example.com' + scriptSrc);
-		response = await app.render(request);
-
-		expect(response.status).to.equal(200);
-		const js = await response.text();
-		expect(js).to.not.be.an('undefined');
+			request = new Request('http://example.com' + scriptSrc);
+			response = await app.render(request);
+	
+			expect(response.status).to.equal(200);
+			const js = await response.text();
+			expect(js).to.not.be.an('undefined');
+		}
 	});
 
 	it('assets can be fetched', async () => {