diff --git a/sys/net/if_bridge.c b/sys/net/if_bridge.c
index f7c636547967..e52b457f6e58 100644
--- a/sys/net/if_bridge.c
+++ b/sys/net/if_bridge.c
@@ -165,7 +165,8 @@ __FBSDID("$FreeBSD$");
 /*
  * List of capabilities to possibly mask on the member interface.
  */
-#define	BRIDGE_IFCAPS_MASK		(IFCAP_TOE|IFCAP_TSO|IFCAP_TXCSUM)
+#define	BRIDGE_IFCAPS_MASK		(IFCAP_TOE|IFCAP_TSO|IFCAP_TXCSUM|\
+					 IFCAP_TXCSUM_IPV6)
 
 /*
  * List of capabilities to strip