diff --git a/net/disk_cache/disk_cache_backend.cc b/net/disk_cache/disk_cache_backend.cc
index 0d22126cca09..d1c678cca9dc 100644
--- a/net/disk_cache/disk_cache_backend.cc
+++ b/net/disk_cache/disk_cache_backend.cc
@@ -353,7 +353,7 @@ BackendResult CreateCacheBackend(net::CacheType type,
     if (mem_backend_impl) {
       mem_backend_impl->SetPostCleanupCallback(
           std::move(post_cleanup_callback));
-      return BackendResult::MakeError(net::OK);
+      return BackendResult::Make(std::move(mem_backend_impl));
     } else {
       if (!post_cleanup_callback.is_null())
         base::SequencedTaskRunner::GetCurrentDefault()->PostTask(