diff --git a/harness/async-gc.js b/harness/async-gc.js
index 65a589dbae8..af4ab2075f7 100644
--- a/harness/async-gc.js
+++ b/harness/async-gc.js
@@ -50,6 +50,7 @@ function resolveAsyncGC(err) {
   if (err === asyncGC.notCollected) {
     // Do not fail as GC can't provide necessary resources.
     $DONE();
+    return;
   }
 
   $DONE(err);