diff --git a/Firmware/messages.cpp b/Firmware/messages.cpp
index deeaa40f9..6a906c34b 100644
--- a/Firmware/messages.cpp
+++ b/Firmware/messages.cpp
@@ -235,6 +235,7 @@ const char MSG_M23[] PROGMEM_N1 = "M23 %s";
 const char MSG_M24[] PROGMEM_N1 = "M24";
 const char MSG_M83[] PROGMEM_N1 = "M83";
 const char MSG_M84[] PROGMEM_N1 = "M84";
+const char MSG_M500[] PROGMEM_N1 = "M500";
 const char MSG_M600[] PROGMEM_N1 = "M600";
 const char MSG_M701_NO_LIFT[] PROGMEM_N1 = "M701 Z0";
 const char MSG_M702_NO_LIFT[] PROGMEM_N1 = "M702 Z0";
diff --git a/Firmware/messages.h b/Firmware/messages.h
index 906071980..ccc614a47 100644
--- a/Firmware/messages.h
+++ b/Firmware/messages.h
@@ -241,6 +241,7 @@ extern const char MSG_M23[];
 extern const char MSG_M24[];
 extern const char MSG_M83[];
 extern const char MSG_M84[];
+extern const char MSG_M500[];
 extern const char MSG_M600[];
 extern const char MSG_M701_NO_LIFT[];
 extern const char MSG_M702_NO_LIFT[];
diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp
index 2df85e00f..815c1a46e 100644
--- a/Firmware/ultralcd.cpp
+++ b/Firmware/ultralcd.cpp
@@ -916,7 +916,7 @@ void lcd_commands()
 			if (_Kp != 0 || _Ki != 0 || _Kd != 0) {
 				sprintf_P(cmd1, PSTR("M301 P%.2f I%.2f D%.2f"), _Kp, _Ki, _Kd);
 				enquecommand(cmd1);
-				enquecommand_P(PSTR("M500"));
+				enquecommand_P(MSG_M500);
 			}
 			else {
 				SERIAL_ECHOPGM("Invalid PID cal. results. Not stored to EEPROM.");
@@ -950,7 +950,7 @@ void lcd_commands()
 
         case 2:
             if (temp_model_autotune_result())
-                enquecommand_P(PSTR("M500"));
+                enquecommand_P(MSG_M500);
             lcd_commands_step = 1;
             break;