diff --git a/src/tty/ntapi_tty_join_session.c b/src/tty/ntapi_tty_join_session.c
index e5f96cc..245c571 100644
--- a/src/tty/ntapi_tty_join_session.c
+++ b/src/tty/ntapi_tty_join_session.c
@@ -42,6 +42,9 @@ int32_t __stdcall __ntapi_tty_join_session(
 		if (hport != &__internals->hport_tty_session)
 			__internals->hport_tty_session = *hport;
 
+		if (__internals->rtdata)
+			__internals->rtdata->hsession = *hport;
+
 		if (port_name != __internals->subsystem)
 			__ntapi->tt_memcpy_utf16(
 				__internals->subsystem->base_named_objects,