diff --git a/ports/esp32/modmachine.c b/ports/esp32/modmachine.c
old mode 100644
new mode 100755
index a3437f10c1..145ae9341c
--- a/ports/esp32/modmachine.c
+++ b/ports/esp32/modmachine.c
@@ -111,6 +111,9 @@ STATIC void mp_machine_set_freq(size_t n_args, const mp_obj_t *args) {
         mp_raise_ValueError(MP_ERROR_TEXT("frequency must be 20MHz, 40MHz, 80Mhz, 160MHz or 240MHz"));
         #endif
     }
+    #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
+    esp_pm_config_t pm;
+    #else
     #if CONFIG_IDF_TARGET_ESP32
     esp_pm_config_esp32_t pm;
     #elif CONFIG_IDF_TARGET_ESP32C3
@@ -120,6 +123,7 @@ STATIC void mp_machine_set_freq(size_t n_args, const mp_obj_t *args) {
     #elif CONFIG_IDF_TARGET_ESP32S3
     esp_pm_config_esp32s3_t pm;
     #endif
+    #endif
     pm.max_freq_mhz = freq;
     pm.min_freq_mhz = freq;
     pm.light_sleep_enable = false;