diff --git a/Marlin/src/core/boards.h b/Marlin/src/core/boards.h
index 0ca26d2ab2..147080542d 100644
--- a/Marlin/src/core/boards.h
+++ b/Marlin/src/core/boards.h
@@ -495,7 +495,7 @@
 // Simulations
 //
 
-#define BOARD_LINUX_RAMPS             9999
+#define BOARD_SIMULATED               9999
 
 #define _MB_1(B)  (defined(BOARD_##B) && MOTHERBOARD==BOARD_##B)
 #define MB(V...)  DO(MB,||,V)
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index a18ced531e..59b64e9ae9 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -4312,7 +4312,7 @@ static_assert(_PLUS_TEST(4), "HOMING_FEEDRATE_MM_M values must be positive.");
 /**
  * Touch Screen Calibration
  */
-#if !MB(LINUX_RAMPS) && ENABLED(TFT_TOUCH_DEVICE_XPT2046) && DISABLED(TOUCH_SCREEN_CALIBRATION) \
+#if !MB(SIMULATED) && ENABLED(TFT_TOUCH_DEVICE_XPT2046) && DISABLED(TOUCH_SCREEN_CALIBRATION) \
     && !(defined(TOUCH_CALIBRATION_X) && defined(TOUCH_CALIBRATION_Y) && defined(TOUCH_OFFSET_X) && defined(TOUCH_OFFSET_Y))
   #error "TOUCH_CALIBRATION_[XY] and TOUCH_OFFSET_[XY] are required for resistive touch screens with TOUCH_SCREEN_CALIBRATION disabled."
 #endif
diff --git a/Marlin/src/pins/pins.h b/Marlin/src/pins/pins.h
index bead9d1f06..124c940422 100644
--- a/Marlin/src/pins/pins.h
+++ b/Marlin/src/pins/pins.h
@@ -809,7 +809,7 @@
 // Linux Native Debug board
 //
 
-#elif MB(LINUX_RAMPS)
+#elif MB(SIMULATED)
   #include "linux/pins_RAMPS_LINUX.h"           // Native or Simulation                   lin:linux_native mac:simulator_macos_debug mac:simulator_macos_release win:simulator_windows lin:simulator_linux_debug lin:simulator_linux_release
 
 #else
@@ -845,6 +845,7 @@
   #define BOARD_TH3D_EZBOARD_LITE_V2    99923
   #define BOARD_BTT_SKR_SE_BX           99924
   #define BOARD_MKS_MONSTER8            99925
+  #define BOARD_LINUX_RAMPS             99926
 
   #if MB(MKS_13)
     #error "BOARD_MKS_13 has been renamed BOARD_MKS_GEN_13. Please update your configuration."
@@ -900,6 +901,8 @@
     #error "BOARD_BTT_SKR_SE_BX is now BOARD_BTT_SKR_SE_BX_V2 or BOARD_BTT_SKR_SE_BX_V3. Please update your configuration."
   #elif MB(MKS_MONSTER8)
     #error "BOARD_MKS_MONSTER8 is now BOARD_MKS_MONSTER8_V1 or BOARD_MKS_MONSTER8_V2. Please update your configuration."
+  #elif MB(LINUX_RAMPS)
+    #error "BOARD_LINUX_RAMPS is now BOARD_SIMULATED. Please update your configuration."
   #elif defined(MOTHERBOARD)
     #error "Unknown MOTHERBOARD value set in Configuration.h."
   #else
@@ -933,6 +936,7 @@
   #undef BOARD_TH3D_EZBOARD_LITE_V2
   #undef BOARD_BTT_SKR_SE_BX
   #undef BOARD_MKS_MONSTER8
+  #undef BOARD_LINUX_RAMPS
 
 #endif
 
diff --git a/buildroot/tests/linux_native b/buildroot/tests/linux_native
index 0153687eac..268de8fd2b 100755
--- a/buildroot/tests/linux_native
+++ b/buildroot/tests/linux_native
@@ -10,7 +10,7 @@ set -e
 # Build with the default configurations
 #
 restore_configs
-opt_set MOTHERBOARD BOARD_LINUX_RAMPS TEMP_SENSOR_BED 1
+opt_set MOTHERBOARD BOARD_SIMULATED TEMP_SENSOR_BED 1
 opt_enable PIDTEMPBED EEPROM_SETTINGS BAUD_RATE_GCODE
 exec_test $1 $2 "Linux with EEPROM" "$3"
 
diff --git a/ini/native.ini b/ini/native.ini
index 6a0cce38e8..481dac1777 100644
--- a/ini/native.ini
+++ b/ini/native.ini
@@ -43,7 +43,7 @@ debug_build_flags = -fstack-protector-strong -g -g3 -ggdb
 lib_compat_mode   = off
 build_src_filter  = ${common.default_src_filter} +<src/HAL/NATIVE_SIM>
 lib_deps          = ${common.lib_deps}
-  MarlinSimUI=https://github.com/p3p/MarlinSimUI/archive/refs/heads/bugfix-2.0.x.zip
+  MarlinSimUI=https://github.com/p3p/MarlinSimUI/archive/refs/heads/bugfix-2.1.x.zip
   Adafruit NeoPixel=https://github.com/p3p/Adafruit_NeoPixel/archive/marlin_sim_native.zip
   LiquidCrystal=https://github.com/p3p/LiquidCrystal/archive/master.zip
 extra_scripts = ${common.extra_scripts}