diff --git a/components/esp32/cpu_start.c b/components/esp32/cpu_start.c
index 87b964943..1055760b1 100644
--- a/components/esp32/cpu_start.c
+++ b/components/esp32/cpu_start.c
@@ -395,6 +395,7 @@ void start_cpu0_default(void)
 
 #if CONFIG_SW_COEXIST_ENABLE
     esp_coex_adapter_register(&g_coex_adapter_funcs);
+    coex_pre_init();
 #endif
 
     bootloader_flash_update_id();
diff --git a/components/esp32/include/esp_coexist_internal.h b/components/esp32/include/esp_coexist_internal.h
index 63f35666d..bdd023a93 100644
--- a/components/esp32/include/esp_coexist_internal.h
+++ b/components/esp32/include/esp_coexist_internal.h
@@ -31,6 +31,14 @@ typedef enum {
 
 typedef void (* coex_func_cb_t)(uint32_t event, int sched_cnt);
 
+/**
+ * @brief Pre-Init software coexist
+ *        extern function for internal use.
+ *
+ * @return Init ok or failed.
+ */
+esp_err_t coex_pre_init(void);
+
 /**
  * @brief Init software coexist
  *        extern function for internal use.