diff --git a/src/ArduinoHal.cpp b/src/ArduinoHal.cpp
index 322a6906..86a58f90 100644
--- a/src/ArduinoHal.cpp
+++ b/src/ArduinoHal.cpp
@@ -104,7 +104,7 @@ void inline ArduinoHal::spiEnd() {
 
 void ArduinoHal::readPersistentStorage(uint32_t addr, uint8_t* buff, size_t len) {
   #if !defined(RADIOLIB_EEPROM_UNSUPPORTED)
-    #if defined(RADIOLIB_ESP32)
+    #if defined(RADIOLIB_ESP32) || defined(ARDUINO_ARCH_RP2040)
       EEPROM.begin(RADIOLIB_HAL_PERSISTENT_STORAGE_SIZE);
     #elif defined(ARDUINO_ARCH_APOLLO3)
       EEPROM.init();
@@ -112,7 +112,7 @@ void ArduinoHal::readPersistentStorage(uint32_t addr, uint8_t* buff, size_t len)
     for(size_t i = 0; i < len; i++) {
       buff[i] = EEPROM.read(addr + i);
     }
-    #if defined(RADIOLIB_ESP32)
+    #if defined(RADIOLIB_ESP32) || defined(ARDUINO_ARCH_RP2040)
       EEPROM.end();
     #endif
   #endif
@@ -120,7 +120,7 @@ void ArduinoHal::readPersistentStorage(uint32_t addr, uint8_t* buff, size_t len)
 
 void ArduinoHal::writePersistentStorage(uint32_t addr, uint8_t* buff, size_t len) {
   #if !defined(RADIOLIB_EEPROM_UNSUPPORTED)
-    #if defined(RADIOLIB_ESP32)
+    #if defined(RADIOLIB_ESP32) || defined(ARDUINO_ARCH_RP2040)
       EEPROM.begin(RADIOLIB_HAL_PERSISTENT_STORAGE_SIZE);
     #elif defined(ARDUINO_ARCH_APOLLO3)
       EEPROM.init();
@@ -128,7 +128,7 @@ void ArduinoHal::writePersistentStorage(uint32_t addr, uint8_t* buff, size_t len
     for(size_t i = 0; i < len; i++) {
       EEPROM.write(addr + i, buff[i]);
     }
-    #if defined(RADIOLIB_ESP32)
+    #if defined(RADIOLIB_ESP32) || defined(ARDUINO_ARCH_RP2040)
       EEPROM.commit();
       EEPROM.end();
     #endif