diff --git a/packages/cli/src/bin/dev-plugin.ts b/packages/cli/src/bin/dev-plugin.ts
index 8e650047fd..f71cfe060d 100644
--- a/packages/cli/src/bin/dev-plugin.ts
+++ b/packages/cli/src/bin/dev-plugin.ts
@@ -1,5 +1,6 @@
 import { ok } from 'node:assert';
-import { open, readFile } from 'node:fs/promises';
+import { existsSync } from 'node:fs';
+import { mkdir, open, readFile } from 'node:fs/promises';
 import path from 'node:path';
 import { parseArgs } from 'node:util';
 
@@ -95,14 +96,9 @@ const metadata: Metadata = {
   assets: new Set(),
 };
 
-const coreOutDir = path.resolve(
-  projectRoot,
-  'apps',
-  'core',
-  'public',
-  'plugins',
-  plugin
-);
+const outDir = path.resolve(projectRoot, 'apps', 'core', 'public', 'plugins');
+
+const coreOutDir = path.resolve(outDir, plugin);
 
 const serverOutDir = path.resolve(
   projectRoot,
@@ -113,7 +109,7 @@ const serverOutDir = path.resolve(
   plugin
 );
 
-const pluginListJsonPath = path.resolve(coreOutDir, '..', 'plugin-list.json');
+const pluginListJsonPath = path.resolve(outDir, 'plugin-list.json');
 
 const coreEntry = path.resolve(pluginDir, json.affinePlugin.entry.core);
 if (json.affinePlugin.entry.server) {
@@ -168,7 +164,10 @@ await build({
     {
       name: 'generate-list-json',
       async generateBundle() {
-        const file = await open(pluginListJsonPath, 'as+');
+        if (!existsSync(outDir)) {
+          await mkdir(outDir, { recursive: true });
+        }
+        const file = await open(pluginListJsonPath, 'w+', 0o777);
         const txt = await file.readFile({
           encoding: 'utf-8',
         });