diff --git a/src/stamp.cpp b/src/stamp.cpp
index 7bd30cb0f..7200b60b9 100644
--- a/src/stamp.cpp
+++ b/src/stamp.cpp
@@ -43,7 +43,7 @@
 const pm_char stamp1[] PROGMEM = " SVN: " SVN_STR;
 const pm_char stamp2[] PROGMEM = "DATE: " DATE_STR;
 const pm_char stamp3[] PROGMEM = "TIME: " TIME_STR;
-#if defined(CPUM64)
+#if defined(PCBSTD)
 const pm_char eeprom_stamp[] PROGMEM = "EEPR: " DEFNUMSTR(EEPROM_VER) "-" DEFNUMSTR(EEPROM_VARIANT);
 #else
 const pm_char eeprom_stamp[] PROGMEM = "EEPR: " DEFNUMSTR(EEPROM_VER);