diff --git a/packages/vite/src/node/ssr/ssrManifestPlugin.ts b/packages/vite/src/node/ssr/ssrManifestPlugin.ts
index f6beb218759247..7c748205be15b4 100644
--- a/packages/vite/src/node/ssr/ssrManifestPlugin.ts
+++ b/packages/vite/src/node/ssr/ssrManifestPlugin.ts
@@ -43,7 +43,7 @@ export function ssrManifestPlugin(config: ResolvedConfig): Plugin {
           if (chunk.code.includes(preloadMethod)) {
             // generate css deps map
             const code = chunk.code
-            let imports: ImportSpecifier[]
+            let imports: ImportSpecifier[] = []
             try {
               imports = parseImports(code)[0].filter((i) => i.n && i.d > -1)
             } catch (e: any) {