diff --git a/components/esp_hw_support/port/esp32h21/pmu_param.c b/components/esp_hw_support/port/esp32h21/pmu_param.c
index faf01161b93..2b930cceb05 100644
--- a/components/esp_hw_support/port/esp32h21/pmu_param.c
+++ b/components/esp_hw_support/port/esp32h21/pmu_param.c
@@ -17,6 +17,12 @@
 #include "esp_hw_log.h"
 #include "soc/clk_tree_defs.h"
 
+#define PMU_CLK_SRC_VAL(src) \
+        (((uint32_t)src == (uint32_t)SOC_MOD_CLK_XTAL)         ? 0 : \
+         ((uint32_t)src == (uint32_t)SOC_MOD_CLK_PLL_F96M)     ? 1 : \
+         ((uint32_t)src == (uint32_t)SOC_MOD_CLK_RC_FAST)      ? 2 : \
+         ((uint32_t)src == (uint32_t)SOC_MOD_CLK_XTAL_X2_F64M) ? 3 : 0)
+
 ESP_HW_LOG_ATTR_TAG(TAG, "pmu_param");
 
 #ifndef ARRAY_SIZE
@@ -244,8 +250,8 @@ const pmu_hp_system_analog_param_t * pmu_hp_system_analog_param_default(pmu_hp_m
     .retention = {                                  \
         .hp_sleep2active_backup_modem_clk_code = 3, \
         .hp_modem2active_backup_modem_clk_code = 1, \
-        .hp_sleep2active_backup_clk_sel        = 0, \
-        .hp_modem2active_backup_clk_sel        = 0, \
+        .hp_sleep2active_backup_clk_sel        = PMU_CLK_SRC_VAL(SOC_MOD_CLK_XTAL_X2_F64M), \
+        .hp_modem2active_backup_clk_sel        = PMU_CLK_SRC_VAL(SOC_MOD_CLK_XTAL), \
         .hp_sleep2active_backup_mode           = PMU_HP_RETENTION_REGDMA_CONFIG(0, 0), \
         .hp_modem2active_backup_mode           = PMU_HP_RETENTION_REGDMA_CONFIG(0, 2), \
         .hp_sleep2active_backup_en             = 0, \
@@ -258,8 +264,8 @@ const pmu_hp_system_analog_param_t * pmu_hp_system_analog_param_default(pmu_hp_m
     .retention = {                                  \
         .hp_modem2sleep_backup_modem_clk_code  = 3, \
         .hp_active2sleep_backup_modem_clk_code = 3, \
-        .hp_modem2sleep_backup_clk_sel         = 0, \
-        .hp_active2sleep_backup_clk_sel        = 0, \
+        .hp_modem2sleep_backup_clk_sel         = PMU_CLK_SRC_VAL(SOC_MOD_CLK_XTAL), \
+        .hp_active2sleep_backup_clk_sel        = PMU_CLK_SRC_VAL(SOC_MOD_CLK_XTAL_X2_F64M), \
         .hp_modem2sleep_backup_mode            = PMU_HP_RETENTION_REGDMA_CONFIG(1, 1), \
         .hp_active2sleep_backup_mode           = PMU_HP_RETENTION_REGDMA_CONFIG(1, 0), \
         .hp_modem2sleep_backup_en              = 0, \