diff --git a/packages/astro/src/runtime/server/render/head.ts b/packages/astro/src/runtime/server/render/head.ts
index c415f4dd807c..87b107f3ca36 100644
--- a/packages/astro/src/runtime/server/render/head.ts
+++ b/packages/astro/src/runtime/server/render/head.ts
@@ -27,7 +27,9 @@ export function renderAllHeadContent(result: SSRResult) {
 	const scripts = Array.from(result.scripts)
 		.filter(uniqueElements)
 		.map((script) => {
-			script.props.src = (result.base === '/' ? '' : result.base) + (result.viteBase || '') + script.props.src;
+			if(result.viteBase){
+				script.props.src = (result.base === '/' ? '' : result.base) + result.viteBase + script.props.src;
+			}
 			return renderElement('script', script, false);
 		});
 	const links = Array.from(result.links)
diff --git a/packages/astro/src/runtime/server/render/script.ts b/packages/astro/src/runtime/server/render/script.ts
index 9c274be78663..76d9a4a14c57 100644
--- a/packages/astro/src/runtime/server/render/script.ts
+++ b/packages/astro/src/runtime/server/render/script.ts
@@ -20,5 +20,5 @@ export async function renderScript(result: SSRResult, id: string) {
 	}
 
 	const resolved = await result.resolve(id);
-	return markHTMLString(`<script type="module" src="${result.base === '/' ? '' : result.base}${result.viteBase || ''}${resolved}"></script>`);
+	return markHTMLString(`<script type="module" src="${result.viteBase ? ((result.base === '/' ? '' : result.base)+result.viteBase) : ''}${resolved}"></script>`);
 }