diff --git a/net/core/dev.c b/net/core/dev.c
index 6401fb5..c2ac599 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5208,6 +5208,10 @@
 		features &= ~NETIF_F_ALL_TSO;
 	}
 
+	/* TSO ECN requires that TSO is present as well. */
+	if ((features & NETIF_F_ALL_TSO) == NETIF_F_TSO_ECN)
+		features &= ~NETIF_F_TSO_ECN;
+
 	/* Software GSO depends on SG. */
 	if ((features & NETIF_F_GSO) && !(features & NETIF_F_SG)) {
 		netdev_info(dev, "Dropping NETIF_F_GSO since no SG feature.\n");