diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 8c6979a..5f31bbb 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -2212,6 +2212,7 @@
 	struct mv643xx_eth_private *mp = netdev_priv(dev);
 	int i;
 
+	wrlp(mp, INT_MASK_EXT, 0x00000000);
 	wrlp(mp, INT_MASK, 0x00000000);
 	rdlp(mp, INT_MASK);