diff --git a/code/core/src/core-server/presets/vitePlugins/vite-inject-mocker/plugin.ts b/code/core/src/core-server/presets/vitePlugins/vite-inject-mocker/plugin.ts
index eec9b0490405..ec468cf21d3e 100644
--- a/code/core/src/core-server/presets/vitePlugins/vite-inject-mocker/plugin.ts
+++ b/code/core/src/core-server/presets/vitePlugins/vite-inject-mocker/plugin.ts
@@ -11,7 +11,7 @@ import { resolvePackageDir } from '../../../../shared/utils/module';
 const entryPath = '/vite-inject-mocker-entry.js';
 
 const entryCode = dedent`
-    <script type="module" src="${entryPath}"></script>
+    <script type="module" src=".${entryPath}"></script>
   `;
 
 let server: ViteDevServer;