diff --git a/src/compiler.ts b/src/compiler.ts
index 65c96cb..64096a4 100644
--- a/src/compiler.ts
+++ b/src/compiler.ts
@@ -294,7 +294,7 @@ export class NexeCompiler {
       return binary
     }
     const launchCode = this.code()
-    const vfsStream = await this.bundle.toStream()
+    const vfsStream = this.bundle.toStream()
     let vfsSize = 0
     const vfsSum = new Transform({
       transform(chunk, _enc, cb) {
diff --git a/src/fs/bundle.ts b/src/fs/bundle.ts
index f206b6e..04c3be8 100644
--- a/src/fs/bundle.ts
+++ b/src/fs/bundle.ts
@@ -41,8 +41,8 @@ export class Bundle {
     }
   }
 
-  public async toStream(): Promise<Readable> {
-    await this.zip.finalize()
+  public toStream(): Readable {
+    setTimeout(() => this.zip.finalize())
     return this.zip
   }
 }