diff --git a/packages/backend/src/utils/vscodeProxy.ts b/packages/backend/src/utils/vscodeProxy.ts
index 3a3b097d..52eb6026 100644
--- a/packages/backend/src/utils/vscodeProxy.ts
+++ b/packages/backend/src/utils/vscodeProxy.ts
@@ -10,8 +10,8 @@ export const getVscode = () => {
   }
 };
 
-const filename: string = require.main.filename;
-const _isInTest = filename.includes(join("node_modules", "mocha"));
+const filename: string = require?.main?.filename;
+const _isInTest = filename?.includes(join("node_modules", "mocha"));
 
 const returnValue = (...args: any[]) => {
   if (_isInTest) {