diff --git a/tcpip_rs232 b/tcpip_rs232
index 6161526..e93ece0 160000
--- a/tcpip_rs232
+++ b/tcpip_rs232
@@ -1 +1 @@
-Subproject commit 6161526fc8a7dbcfa1147c190ebbf16e2ec1b866
+Subproject commit e93ece0f01eadedd441a5c75e5f81d8012725269