diff --git a/components/esp_system/system_init_fn.txt b/components/esp_system/system_init_fn.txt
index 26e07b8e55..c4a8a0af6c 100644
--- a/components/esp_system/system_init_fn.txt
+++ b/components/esp_system/system_init_fn.txt
@@ -94,6 +94,7 @@ SECONDARY: 106: sleep_clock_startup_init in components/esp_hw_support/lowpower/p
 SECONDARY: 106: sleep_clock_startup_init in components/esp_hw_support/lowpower/port/esp32h4/sleep_clock.c on BIT(0)
 SECONDARY: 106: sleep_clock_startup_init in components/esp_hw_support/lowpower/port/esp32p4/sleep_clock.c on BIT(0)
 SECONDARY: 106: sleep_clock_startup_init in components/esp_hw_support/lowpower/port/esp32s31/sleep_clock.c on BIT(0)
+SECONDARY: 106: sleep_clock_icg_startup_init in components/esp_hw_support/port/esp32p4/pmu_sleep_clock_icg.c on BIT(0)
 SECONDARY: 107: sleep_sys_periph_startup_init in components/esp_hw_support/sleep_system_peripheral.c on BIT(0)
 
 # app_trace doesn't have init dependencies