diff --git a/node_modules/threads/worker.mjs b/node_modules/threads/worker.mjs
index c53ac7d..619007b 100644
--- a/node_modules/threads/worker.mjs
+++ b/node_modules/threads/worker.mjs
@@ -1,4 +1,5 @@
-import WorkerContext from "./dist/worker/index.js"
+// Workaround: use of import seems to break minifier.
+const WorkerContext = require("./dist/worker/index.js")
 
 export const expose = WorkerContext.expose
 export const registerSerializer = WorkerContext.registerSerializer