diff --git a/packages/integrations/preact/src/index.ts b/packages/integrations/preact/src/index.ts
index 79eea897c154..153b9e1c35eb 100644
--- a/packages/integrations/preact/src/index.ts
+++ b/packages/integrations/preact/src/index.ts
@@ -53,7 +53,7 @@ export default function ({include, exclude, compat}: Options = {}): AstroIntegra
 						dedupe: ['preact/compat', 'preact'],
 					};
 					// noExternal React entrypoints to be bundled, resolved, and aliased by Vite
-					viteConfig.ssr = {f
+					viteConfig.ssr = {
 						noExternal: ['react', 'react-dom', 'react-dom/test-utils', 'react/jsx-runtime'],
 					};
 				}