diff --git a/src/utils/clusterBunShim.js b/src/utils/clusterBunShim.js
index e1409f2..0734f6c 100644
--- a/src/utils/clusterBunShim.js
+++ b/src/utils/clusterBunShim.js
@@ -90,7 +90,7 @@ if (!process.singleThreaded) {
       const child_process = require("child_process");
       let newEnvironment = Object.assign({}, env ? env : process.env);
       newEnvironment.NODE_UNIQUE_ID = cluster._workersCounter;
-      let newArguments = Object.assign({}, process.argv);
+      let newArguments = Object.assign([], process.argv);
       let command = newArguments.shift();
       let newWorker = child_process.spawn(command, newArguments, {
         env: newEnvironment,