diff --git a/src/rspack/index.ts b/src/rspack/index.ts
index 9985b4e6..4381a9ca 100644
--- a/src/rspack/index.ts
+++ b/src/rspack/index.ts
@@ -146,6 +146,7 @@ export function getRspackPlugin<UserOptions = Record<string, never>>(
                   unpluginName: plugin.name,
                 },
               }],
+              type: 'javascript/auto',
             })
           }
 
diff --git a/src/webpack/index.ts b/src/webpack/index.ts
index 65ec9e30..23f41da3 100644
--- a/src/webpack/index.ts
+++ b/src/webpack/index.ts
@@ -170,6 +170,7 @@ export function getWebpackPlugin<UserOptions = Record<string, never>>(
                   unpluginName: plugin.name,
                 },
               }],
+              type: 'javascript/auto',
             })
           }
 
diff --git a/test/fixtures/virtual-module/unplugin.js b/test/fixtures/virtual-module/unplugin.js
index 5b267478..418f89f5 100644
--- a/test/fixtures/virtual-module/unplugin.js
+++ b/test/fixtures/virtual-module/unplugin.js
@@ -1,4 +1,4 @@
-const { createUnplugin } = require('unplugin')
+const { createUnplugin } = require('../../../')
 
 module.exports = createUnplugin(() => {
   return {