diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index fff196b..b80c590 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -1144,7 +1144,7 @@ static int smc_connect_ism_vlan_cleanup(struct smc_sock *smc,
 
 #define SMC_CLC_MAX_ACCEPT_LEN \
 	(sizeof(struct smc_clc_msg_accept_confirm_v2) + \
-	 sizeof(struct smc_clc_first_contact_ext) + \
+	 sizeof(struct smc_clc_first_contact_ext_v2x) + \
 	 sizeof(struct smc_clc_msg_trail))
 
 /* CLC handshake during connect */