diff --git a/lib/ratp.c b/lib/ratp.c
index 46a82c6..e7fbf64 100644
--- a/lib/ratp.c
+++ b/lib/ratp.c
@@ -1689,7 +1689,7 @@
 	if (!ri)
 		return;
 
-	if (ri->state == RATP_STATE_ESTABLISHED) {
+	if (ri->state == RATP_STATE_ESTABLISHED || ri->state == RATP_STATE_SYN_RECEIVED) {
 		uint64_t start;
 		u8 control;
 
diff --git a/scripts/remote/ratp.py b/scripts/remote/ratp.py
index 7972d31..44f3e2f 100644
--- a/scripts/remote/ratp.py
+++ b/scripts/remote/ratp.py
@@ -721,7 +721,7 @@
     def close(self, timeout=1.0):
         deadline = monotonic() + timeout
         logging.info("CLOSE")
-        if self._state == RatpState.established:
+        if self._state == RatpState.established or self._state == RatpState.syn_received:
             fin = RatpPacket(flags='FA')
             fin.c_sn = (self._s_sn + 1) % 2
             fin.c_an = (self._r_sn + 1) % 2