diff --git a/Firmware/Marlin_main.cpp b/Firmware/Marlin_main.cpp
index 03363771f..41511e6f6 100644
--- a/Firmware/Marlin_main.cpp
+++ b/Firmware/Marlin_main.cpp
@@ -3030,7 +3030,7 @@ static void gcode_G80()
         }
         return 0;
     };
-    int8_t correction[4] = {
+    const int8_t correction[4] = {
         bedCorrectHelper('L', (uint8_t*)EEPROM_BED_CORRECTION_LEFT),
         bedCorrectHelper('R', (uint8_t*)EEPROM_BED_CORRECTION_RIGHT),
         bedCorrectHelper('F', (uint8_t*)EEPROM_BED_CORRECTION_FRONT),