diff --git a/Firmware/eeprom.h b/Firmware/eeprom.h
index 1db8a4066..6ed115254 100644
--- a/Firmware/eeprom.h
+++ b/Firmware/eeprom.h
@@ -564,7 +564,7 @@ static Sheets * const EEPROM_Sheets_base = (Sheets*)(EEPROM_SHEETS_BASE);
 #ifdef __cplusplus
 #include "ConfigurationStore.h"
 static_assert(EEPROM_FIRMWARE_VERSION_END < 20, "Firmware version EEPROM address conflicts with EEPROM_M500_base");
-static constexpr M500_conf * const EEPROM_M500_base = reinterpret_cast<M500_conf*>(20); //offset for storing settings using M500
+static M500_conf * const EEPROM_M500_base = reinterpret_cast<M500_conf*>(20); //offset for storing settings using M500
 static_assert(((sizeof(M500_conf) + 20) < EEPROM_LAST_ITEM), "M500_conf address space conflicts with previous items.");
 #endif