diff --git a/src/strategy/IndomitableStrategy.ts b/src/strategy/IndomitableStrategy.ts
index c2b7860..f4b3e76 100644
--- a/src/strategy/IndomitableStrategy.ts
+++ b/src/strategy/IndomitableStrategy.ts
@@ -106,7 +106,7 @@ export class IndomitableStrategy implements IShardingStrategy {
     }
 
     private async createWorker(shardId: number, workerData: WorkerData): Promise<Worker> {
-        const thread = new Worker(join('./src/strategy', 'Thread.js'), { workerData });
+        const thread = new Worker(join(__dirname, 'Thread.js'), { workerData });
         await once(thread, 'online');
         const ipc = new MainStrategyWorker(shardId, thread, this);
         thread
diff --git a/tsup-config.json b/tsup-config.json
index a8b683f..c66cde7 100644
--- a/tsup-config.json
+++ b/tsup-config.json
@@ -4,5 +4,6 @@
     "splitting": false,
     "sourcemap": true,
     "clean": true,
-    "format": ["esm", "cjs"]
+    "format": ["esm", "cjs"],
+    "shims": true
 }