diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 37b582225854..4a51e0ec295c 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -1452,7 +1452,8 @@ static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
 	if (wol.wolopts & ~cur_wol.supported)
 		return -EINVAL;
 
-	if (wol.wolopts == cur_wol.wolopts)
+	if (wol.wolopts == cur_wol.wolopts &&
+	    !memcmp(wol.sopass, cur_wol.sopass, sizeof(wol.sopass)))
 		return 0;
 
 	ret = dev->ethtool_ops->set_wol(dev, &wol);