diff --git a/internal/db/models/http_cache_policy_dao.go b/internal/db/models/http_cache_policy_dao.go
index f7f28523..78159385 100644
--- a/internal/db/models/http_cache_policy_dao.go
+++ b/internal/db/models/http_cache_policy_dao.go
@@ -174,7 +174,8 @@ func (this *HTTPCachePolicyDAO) CreateDefaultCachePolicy(tx *dbs.Tx, name string
 	}
 
 	var storageOptions = &serverconfigs.HTTPFileCacheStorage{
-		Dir: "/opt/cache",
+		Dir:        "/opt/cache",
+		EnableMMAP: true,
 		MemoryPolicy: &serverconfigs.HTTPCachePolicy{
 			Capacity: &shared.SizeCapacity{
 				Count: 1,