diff --git a/net/colo-compare.c b/net/colo-compare.c
index a35c10fb59..8d476bbd99 100644
--- a/net/colo-compare.c
+++ b/net/colo-compare.c
@@ -477,13 +477,11 @@ sec:
             colo_release_primary_pkt(s, ppkt);
             g_queue_push_head(&conn->secondary_list, spkt);
             goto pri;
-        }
-        if (mark == COLO_COMPARE_FREE_SECONDARY) {
+        } else if (mark == COLO_COMPARE_FREE_SECONDARY) {
             conn->compare_seq = spkt->seq_end;
             packet_destroy(spkt, NULL);
             goto sec;
-        }
-        if (mark == (COLO_COMPARE_FREE_PRIMARY | COLO_COMPARE_FREE_SECONDARY)) {
+        } else if (mark == (COLO_COMPARE_FREE_PRIMARY | COLO_COMPARE_FREE_SECONDARY)) {
             conn->compare_seq = ppkt->seq_end;
             colo_release_primary_pkt(s, ppkt);
             packet_destroy(spkt, NULL);