diff --git a/src/helpers/bridges/ESPNowBridge.cpp b/src/helpers/bridges/ESPNowBridge.cpp
index 3c094e7c90..b610bcf68b 100644
--- a/src/helpers/bridges/ESPNowBridge.cpp
+++ b/src/helpers/bridges/ESPNowBridge.cpp
@@ -9,7 +9,7 @@
 ESPNowBridge *ESPNowBridge::_instance = nullptr;
 
 // Static callback wrappers
-void ESPNowBridge::recv_cb(const uint8_t *mac, const uint8_t *data, int32_t len) {
+void ESPNowBridge::recv_cb(const uint8_t *mac, const uint8_t *data, int len) {
   if (_instance) {
     _instance->onDataRecv(mac, data, len);
   }
@@ -100,7 +100,7 @@ void ESPNowBridge::xorCrypt(uint8_t *data, size_t len) {
   }
 }
 
-void ESPNowBridge::onDataRecv(const uint8_t *mac, const uint8_t *data, int32_t len) {
+void ESPNowBridge::onDataRecv(const uint8_t *mac, const uint8_t *data, int len) {
   // Ignore packets that are too small to contain header + checksum
   if (len < (BRIDGE_MAGIC_SIZE + BRIDGE_CHECKSUM_SIZE)) {
     BRIDGE_DEBUG_PRINTLN("RX packet too small, len=%d\n", len);
diff --git a/src/helpers/bridges/ESPNowBridge.h b/src/helpers/bridges/ESPNowBridge.h
index 431a036b09..29d2a38fb6 100644
--- a/src/helpers/bridges/ESPNowBridge.h
+++ b/src/helpers/bridges/ESPNowBridge.h
@@ -42,7 +42,7 @@
 class ESPNowBridge : public BridgeBase {
 private:
   static ESPNowBridge *_instance;
-  static void recv_cb(const uint8_t *mac, const uint8_t *data, int32_t len);
+  static void recv_cb(const uint8_t *mac, const uint8_t *data, int len);
   static void send_cb(const uint8_t *mac, esp_now_send_status_t status);
 
   /**
@@ -90,7 +90,7 @@ class ESPNowBridge : public BridgeBase {
    * @param data Received data
    * @param len Length of received data
    */
-  void onDataRecv(const uint8_t *mac, const uint8_t *data, int32_t len);
+  void onDataRecv(const uint8_t *mac, const uint8_t *data, int len);
 
   /**
    * ESP-NOW send callback