diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index ef8341c851f78..523c7797f30ac 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -503,7 +503,7 @@ chk_csum_nr()
 		echo -n "  "
 	fi
 	printf " %-36s %s" "$msg" "sum"
-	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtDSSCsumErr | awk '{print $2}'`
+	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}'`
 	[ -z "$count" ] && count=0
 	if [ "$count" != 0 ]; then
 		echo "[fail] got $count data checksum error[s] expected 0"
@@ -513,7 +513,7 @@ chk_csum_nr()
 		echo -n "[ ok ]"
 	fi
 	echo -n " - csum  "
-	count=`ip netns exec $ns2 nstat -as | grep MPTcpExtDSSCsumErr | awk '{print $2}'`
+	count=`ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}'`
 	[ -z "$count" ] && count=0
 	if [ "$count" != 0 ]; then
 		echo "[fail] got $count data checksum error[s] expected 0"