diff --git a/packages/vite/src/node/plugins/html.ts b/packages/vite/src/node/plugins/html.ts
index 119ec49d5afdc0..607baf3e81e06b 100644
--- a/packages/vite/src/node/plugins/html.ts
+++ b/packages/vite/src/node/plugins/html.ts
@@ -58,11 +58,7 @@ export function htmlInlineScriptProxyPlugin(config: ResolvedConfig): Plugin {
         const file = cleanUrl(id)
         const url = file.replace(normalizePath(config.root), '')
         const result = htmlProxyMap.get(config)!.get(url)![index]
-        if (typeof result === 'string') {
-          return result
-        } else {
-          throw new Error(`No matching HTML proxy module found from ${id}`)
-        }
+        return result
       }
     }
   }