diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 68efb91..5e485e3 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -172,7 +172,7 @@
 {
 	struct macvlan_dev *vlan = netdev_priv(dev);
 	struct macvtap_queue *tap = NULL;
-	int numvtaps = vlan->numvtaps;
+	int numvtaps = ACCESS_ONCE(vlan->numvtaps);
 	__u32 rxq;
 
 	if (!numvtaps)