diff --git a/components/audio_sal/include/audio_sys.h b/components/audio_sal/include/audio_sys.h
index fc6435017..715557632 100644
--- a/components/audio_sal/include/audio_sys.h
+++ b/components/audio_sal/include/audio_sys.h
@@ -34,6 +34,12 @@ extern "C" {
 #define ___STR___(x) #x
 #define STR_AUDIO(x) ___STR___(x)
 
+#if defined(__GNUC__) && __GNUC__ >= 7
+ #define FALL_THROUGH __attribute__ ((fallthrough))
+#else
+ #define FALL_THROUGH ((void)0)
+#endif /* __GNUC__ >= 7 */
+
 /**
  * @brief       Get system ticks by given millisecond
  *
diff --git a/components/battery_service/battery_service.c b/components/battery_service/battery_service.c
index da95a7a89..222433ae2 100644
--- a/components/battery_service/battery_service.c
+++ b/components/battery_service/battery_service.c
@@ -31,6 +31,7 @@
 
 #include "esp_log.h"
 #include "audio_mem.h"
+#include "audio_sys.h"
 #include "battery_service.h"
 
 typedef struct battery_service {
@@ -120,7 +121,7 @@ static void battery_task(void *pvParameters)
                 }
                 case BATTERY_SERVICE_DESTROY:
                     service->running = false;
-                    __attribute__((fallthrough));
+                    FALL_THROUGH;
                     // No break, to share the actions of case `BATTERY_SERVICE_STOP`, clear all the monitors.
                 case BATTERY_SERVICE_STOP: {
                     if (service->vol_monitor != NULL) {
diff --git a/components/ota_service/esp_fs_ota.c b/components/ota_service/esp_fs_ota.c
index 288bdd77e..173fc81cf 100644
--- a/components/ota_service/esp_fs_ota.c
+++ b/components/ota_service/esp_fs_ota.c
@@ -30,6 +30,7 @@
 #include <esp_ota_ops.h>
 #include <errno.h>
 #include "audio_mem.h"
+#include "audio_sys.h"
 
 #define IMAGE_HEADER_SIZE    (sizeof(esp_image_header_t) + sizeof(esp_image_segment_header_t) + sizeof(esp_app_desc_t) + 1)
 #define DEFAULT_OTA_BUF_SIZE IMAGE_HEADER_SIZE
@@ -232,7 +233,7 @@ esp_err_t esp_fs_ota_finish(esp_fs_ota_handle_t fs_ota_handle)
         case ESP_FS_OTA_SUCCESS:
         case ESP_FS_OTA_IN_PROGRESS:
             err = esp_ota_end(handle->update_handle);
-            __attribute__((fallthrough));
+            FALL_THROUGH;
         case ESP_FS_OTA_BEGIN:
             if (handle->ota_upgrade_buf) {
                 audio_free(handle->ota_upgrade_buf);
diff --git a/examples/cli/main/console_example.c b/examples/cli/main/console_example.c
index 6005efe8c..d52c56809 100644
--- a/examples/cli/main/console_example.c
+++ b/examples/cli/main/console_example.c
@@ -284,6 +284,7 @@ static esp_err_t wifi_set(esp_periph_handle_t periph, int argc, char *argv[])
     switch (argc) {
         case 2:
             memcpy(w_config.sta.password, argv[1], sizeof(w_config.sta.password));
+            FALL_THROUGH;
         case 1:
             memcpy(w_config.sta.ssid, argv[0], sizeof(w_config.sta.ssid));
             esp_wifi_disconnect();