diff --git a/net/ipv4/tcp_htcp.c b/net/ipv4/tcp_htcp.c
index 937549b..26d5c7f 100644
--- a/net/ipv4/tcp_htcp.c
+++ b/net/ipv4/tcp_htcp.c
@@ -115,8 +115,7 @@
 		return;
 
 	/* achieved throughput calculations */
-	if (icsk->icsk_ca_state != TCP_CA_Open &&
-	    icsk->icsk_ca_state != TCP_CA_Disorder) {
+	if (!((1 << icsk->icsk_ca_state) & (TCPF_CA_Open | TCPF_CA_Disorder))) {
 		ca->packetcount = 0;
 		ca->lasttime = now;
 		return;