diff --git a/libraries/SoftwareSerial b/libraries/SoftwareSerial
index 23ae000cb..457849f47 160000
--- a/libraries/SoftwareSerial
+++ b/libraries/SoftwareSerial
@@ -1 +1 @@
-Subproject commit 23ae000cb2cf4d5823a2744f6b8ae831575ff135
+Subproject commit 457849f4787b33927ca211b1353420311c21e5a7
diff --git a/libraries/esp8266/examples/SerialStress/SerialStress.ino b/libraries/esp8266/examples/SerialStress/SerialStress.ino
index 12ca68d4d..1412abd2b 100644
--- a/libraries/esp8266/examples/SerialStress/SerialStress.ino
+++ b/libraries/esp8266/examples/SerialStress/SerialStress.ino
@@ -74,6 +74,7 @@ void setup() {
   // so we can still log to the regular usbserial chips
   SoftwareSerial* ss = new SoftwareSerial(3, 1);
   ss->begin(SSBAUD);
+  ss->enableIntTx(false);
   logger = ss;
   logger->println();
   logger->printf("\n\nOn Software Serial for logging\n");