diff --git a/src/main/services/bs-installer.service.ts b/src/main/services/bs-installer.service.ts
index 3c38aa81..68ce0318 100644
--- a/src/main/services/bs-installer.service.ts
+++ b/src/main/services/bs-installer.service.ts
@@ -66,7 +66,7 @@ export class BSInstallerService{
       return new Promise(resolve => {
          if(this.downloadProcess?.killed && !this.downloadProcess?.pid){ return resolve(false); }
 
-         this.downloadProcess.once('exit', () => resolve(true));
+         this.downloadProcess?.once('exit', () => resolve(true));
          if (process.platform === 'win32') {
             ctrlc(this.downloadProcess.pid);
          } else {