diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 8ec4848..a3eeb88 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -356,7 +356,7 @@
 {
 	struct ethtool_coalesce coalesce;
 
-	if (!dev->ethtool_ops->get_coalesce)
+	if (!dev->ethtool_ops->set_coalesce)
 		return -EOPNOTSUPP;
 
 	if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))