diff --git a/src/remote/codec.cpp b/src/remote/codec.cpp
index 7859970..d766558 100644
--- a/src/remote/codec.cpp
+++ b/src/remote/codec.cpp
@@ -1206,10 +1206,12 @@ BlockingTCPTransportCodec::BlockingTCPTransportCodec(bool serverFlag, const Cont
     ,_readThread(epics::pvData::Thread::Config(this, &BlockingTCPTransportCodec::receiveThread)
                  .prio(epicsThreadPriorityCAServerLow)
                  .name("TCP-rx")
+                 .stack(epicsThreadStackBig)
                  .autostart(false))
     ,_sendThread(epics::pvData::Thread::Config(this, &BlockingTCPTransportCodec::sendThread)
                  .prio(epicsThreadPriorityCAServerLow)
                  .name("TCP-tx")
+                 .stack(epicsThreadStackBig)
                  .autostart(false))
     ,_channel(channel)
     ,_context(context), _responseHandler(responseHandler)