diff --git a/drivers/net/ethernet/nvidia/nvethernet/macsec.c b/drivers/net/ethernet/nvidia/nvethernet/macsec.c
index 13a6d16a..c1c42786 100644
--- a/drivers/net/ethernet/nvidia/nvethernet/macsec.c
+++ b/drivers/net/ethernet/nvidia/nvethernet/macsec.c
@@ -910,7 +910,7 @@ static int macsec_create_rx_sa(struct sk_buff *skb, struct genl_info *info)
 	table_config->index = kt_idx;
 	kt_config.flags |= OSI_LUT_FLAGS_ENTRY_VALID;
 
-	for (i = 0; i < OSI_KEY_LEN_128; i++) {
+	for (i = 0; i < OSI_KEY_LEN_256; i++) {
 		kt_config.entry.sak[i] = rx_sa.sak[i];
 	}
 
@@ -1138,7 +1138,7 @@ static int macsec_create_tx_sa(struct sk_buff *skb, struct genl_info *info)
 	table_config->index = kt_idx;
 	kt_config.flags |= OSI_LUT_FLAGS_ENTRY_VALID;
 
-	for (i = 0; i < OSI_KEY_LEN_128; i++) {
+	for (i = 0; i < OSI_KEY_LEN_256; i++) {
 		kt_config.entry.sak[i] = tx_sa.sak[i];
 	}
 
diff --git a/drivers/net/ethernet/nvidia/nvethernet/macsec.h b/drivers/net/ethernet/nvidia/nvethernet/macsec.h
index 67c78fba..734f1588 100644
--- a/drivers/net/ethernet/nvidia/nvethernet/macsec.h
+++ b/drivers/net/ethernet/nvidia/nvethernet/macsec.h
@@ -114,7 +114,7 @@ static const struct nla_policy nv_macsec_sa_genl_policy[NUM_NV_MACSEC_SA_ATTR] =
 	[NV_MACSEC_SA_ATTR_PN] = { .type = NLA_U32 },
 	[NV_MACSEC_SA_ATTR_LOWEST_PN] = { .type = NLA_U32 },
 	[NV_MACSEC_SA_ATTR_KEY] = { .type = NLA_BINARY,
-				    .len = OSI_KEY_LEN_128,},
+				    .len = OSI_KEY_LEN_256,},
 };
 
 static const struct nla_policy nv_macsec_tz_genl_policy[NUM_NV_MACSEC_TZ_ATTR] = {