diff --git a/src/rp2040_arduino_platform.cpp b/src/rp2040_arduino_platform.cpp
index 7392223..0374e85 100644
--- a/src/rp2040_arduino_platform.cpp
+++ b/src/rp2040_arduino_platform.cpp
@@ -35,6 +35,7 @@ A RAM-buffered Flash can be use by defining USE_RP2040_LARGE_EEPROM_EMULATION
 
 #define FLASHPTR ((uint8_t*)XIP_BASE + KNX_FLASH_OFFSET)
 
+#ifndef USE_RP2040_EEPROM_EMULATION
 #if KNX_FLASH_SIZE%4096
 #error "KNX_FLASH_SIZE must be multiple of 4096"
 #endif
@@ -42,6 +43,7 @@ A RAM-buffered Flash can be use by defining USE_RP2040_LARGE_EEPROM_EMULATION
 #if KNX_FLASH_OFFSET%4096
 #error "KNX_FLASH_OFFSET must be multiple of 4096"
 #endif
+#endif
 
 #ifndef KNX_SERIAL
 #define KNX_SERIAL Serial1
diff --git a/src/rp2040_arduino_platform.h b/src/rp2040_arduino_platform.h
index 8a9e7f3..77a8736 100644
--- a/src/rp2040_arduino_platform.h
+++ b/src/rp2040_arduino_platform.h
@@ -4,10 +4,12 @@
 
 #ifdef ARDUINO_ARCH_RP2040
 
+#ifndef USE_RP2040_EEPROM_EMULATION
 #ifndef KNX_FLASH_OFFSET
 #define KNX_FLASH_OFFSET 0x180000   // 1.5MiB
 #pragma warning "KNX_FLASH_OFFSET not defined, using 0x180000"
 #endif
+#endif
 
 #ifdef USE_RP2040_LARGE_EEPROM_EMULATION
 #define USE_RP2040_EEPROM_EMULATION