diff --git a/arch/xtensa/src/esp32/esp32_wifi_adapter.c b/arch/xtensa/src/esp32/esp32_wifi_adapter.c
index 63aac7d71e..a0e7bfd625 100644
--- a/arch/xtensa/src/esp32/esp32_wifi_adapter.c
+++ b/arch/xtensa/src/esp32/esp32_wifi_adapter.c
@@ -259,6 +259,7 @@ static void esp_coex_condition_set(uint32_t type, bool dissatisfy);
 static int32_t esp_coex_wifi_request(uint32_t event, uint32_t latency,
                                      uint32_t duration);
 static int32_t esp_coex_wifi_release(uint32_t event);
+static unsigned long esp_random_ulong(void);
 
 /****************************************************************************
  * Public Functions declaration
@@ -389,7 +390,7 @@ wifi_osi_funcs_t g_wifi_osi_funcs =
   ._nvs_erase_key = esp_nvs_erase_key,
   ._get_random = esp_get_random,
   ._get_time = esp_get_time,
-  ._random = esp_random,
+  ._random = esp_random_ulong,
   ._log_write = esp_log_write,
   ._log_writev = esp_log_writev,
   ._log_timestamp = esp_log_timestamp,
@@ -3672,6 +3673,20 @@ static int32_t esp_coex_wifi_release(uint32_t event)
   return 0;
 }
 
+/****************************************************************************
+ * Name: esp_random_ulong
+ *
+ * Description:
+ *   A simpler wrapper of esp_random.
+ *   Just convert the return value from uint32_t to unsigned long.
+ *
+ ****************************************************************************/
+
+static unsigned long esp_random_ulong(void)
+{
+  return esp_random();
+}
+
 /****************************************************************************
  * Functions needed by libphy.a
  ****************************************************************************/