diff --git a/src/plugins/tree-shaking.ts b/src/plugins/tree-shaking.ts
index 3826f1ce..91aeb7cd 100644
--- a/src/plugins/tree-shaking.ts
+++ b/src/plugins/tree-shaking.ts
@@ -35,7 +35,7 @@ export const treeShakingPlugin = ({
             },
           },
         ],
-        treeshake: treeshake,
+        treeshake,
         makeAbsoluteExternalsRelative: false,
         preserveEntrySignatures: 'exports-only',
         onwarn: silent ? () => {} : undefined,