diff --git a/Makefile b/Makefile
index d76364854c..05f5632e97 100644
--- a/Makefile
+++ b/Makefile
@@ -175,7 +175,8 @@ DEFSHAREDFS := virtio-9p
 DEFSHAREDFS_QEMU_VIRTIOFS := virtio-fs
 DEFVIRTIOFSDAEMON := $(VIRTIOFSDBINDIR)/virtiofsd
 # Default DAX mapping cache size in MiB
-DEFVIRTIOFSCACHESIZE := 1024
+#if value is 0, DAX is not enabled
+DEFVIRTIOFSCACHESIZE := 0
 DEFVIRTIOFSCACHE ?= auto
 DEFVIRTIOFSEXTRAARGS := []
 DEFENABLEIOTHREADS := false