diff --git a/tools/testing/selftests/nci/nci_dev.c b/tools/testing/selftests/nci/nci_dev.c
index 9687100f15ea8..acd4125ff39fe 100644
--- a/tools/testing/selftests/nci/nci_dev.c
+++ b/tools/testing/selftests/nci/nci_dev.c
@@ -110,7 +110,7 @@ static int send_cmd_mt_nla(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
 		na->nla_type = nla_type[cnt];
 		na->nla_len = nla_len[cnt] + NLA_HDRLEN;
 
-		if (nla_len > 0)
+		if (nla_len[cnt] > 0)
 			memcpy(NLA_DATA(na), nla_data[cnt], nla_len[cnt]);
 
 		prv_len = NLA_ALIGN(nla_len[cnt]) + NLA_HDRLEN;