diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c
index 7216209211d9..e597e2ad434c 100644
--- a/drivers/net/ethernet/ibm/emac/core.c
+++ b/drivers/net/ethernet/ibm/emac/core.c
@@ -30,6 +30,7 @@
 #include <linux/skbuff.h>
 #include <linux/crc32.h>
 #include <linux/ethtool.h>
+#include <linux/if_vlan.h>
 #include <linux/mii.h>
 #include <linux/bitops.h>
 #include <linux/of.h>
@@ -457,7 +458,7 @@ static inline u32 emac_iff2rmr(struct net_device *ndev)
 
 	if (emac_has_feature(dev, EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE)) {
 		r &= ~EMAC4_RMR_MJS_MASK;
-		r |= EMAC4_RMR_MJS(ndev->mtu);
+		r |= EMAC4_RMR_MJS(ndev->mtu + VLAN_HLEN);
 	}
 
 	return r;