diff --git a/Marlin/src/MarlinCore.cpp b/Marlin/src/MarlinCore.cpp
index aa526a29..4e8ae77b 100755
--- a/Marlin/src/MarlinCore.cpp
+++ b/Marlin/src/MarlinCore.cpp
@@ -1222,6 +1222,7 @@ void setup() {
   #endif
   #define SETUP_RUN(C) do{ SETUP_LOG(STRINGIFY(C)); C; }while(0)
 
+  MYSERIAL1.begin(BAUDRATE);
   millis_t serial_connect_timeout = millis() + 1000UL;
   while (!MYSERIAL1.connected() && PENDING(millis(), serial_connect_timeout)) { /*nada*/ }
 
diff --git a/Marlin/src/inc/Version.h b/Marlin/src/inc/Version.h
index 976733c9..cc93dba7 100755
--- a/Marlin/src/inc/Version.h
+++ b/Marlin/src/inc/Version.h
@@ -41,7 +41,7 @@
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
- #define CUSTOM_BUILD_VERSION "1.4.0-b1"
+ #define CUSTOM_BUILD_VERSION "1.4.0-b2"
 
 #ifndef STRING_DISTRIBUTION_DATE
   #define STRING_DISTRIBUTION_DATE "2021-11-02"