diff --git a/soc/arm/st_stm32/stm32g0/power.c b/soc/arm/st_stm32/stm32g0/power.c
index 172188cf98d..4b82fa7cff2 100644
--- a/soc/arm/st_stm32/stm32g0/power.c
+++ b/soc/arm/st_stm32/stm32g0/power.c
@@ -98,4 +98,4 @@ static int stm32_power_init(const struct device *dev)
 	return 0;
 }
 
-SYS_INIT(stm32_power_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
+SYS_INIT(stm32_power_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
diff --git a/soc/arm/st_stm32/stm32l0/power.c b/soc/arm/st_stm32/stm32l0/power.c
index 0a6486a58c8..2c504e6f40a 100644
--- a/soc/arm/st_stm32/stm32l0/power.c
+++ b/soc/arm/st_stm32/stm32l0/power.c
@@ -95,4 +95,4 @@ static int stm32_power_init(const struct device *dev)
 	return 0;
 }
 
-SYS_INIT(stm32_power_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
+SYS_INIT(stm32_power_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
diff --git a/soc/arm/st_stm32/stm32l4/power.c b/soc/arm/st_stm32/stm32l4/power.c
index a928408d889..dac694aeddc 100644
--- a/soc/arm/st_stm32/stm32l4/power.c
+++ b/soc/arm/st_stm32/stm32l4/power.c
@@ -121,4 +121,4 @@ static int stm32_power_init(const struct device *dev)
 	return 0;
 }
 
-SYS_INIT(stm32_power_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
+SYS_INIT(stm32_power_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
diff --git a/soc/arm/st_stm32/stm32l5/power.c b/soc/arm/st_stm32/stm32l5/power.c
index 1e84d7fb513..07f69e52aa3 100644
--- a/soc/arm/st_stm32/stm32l5/power.c
+++ b/soc/arm/st_stm32/stm32l5/power.c
@@ -121,4 +121,4 @@ static int stm32_power_init(const struct device *dev)
 	return 0;
 }
 
-SYS_INIT(stm32_power_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
+SYS_INIT(stm32_power_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
diff --git a/soc/arm/st_stm32/stm32u5/power.c b/soc/arm/st_stm32/stm32u5/power.c
index fa204d6565e..7a6013ab1ca 100644
--- a/soc/arm/st_stm32/stm32u5/power.c
+++ b/soc/arm/st_stm32/stm32u5/power.c
@@ -143,4 +143,4 @@ static int stm32_power_init(const struct device *dev)
 	return 0;
 }
 
-SYS_INIT(stm32_power_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
+SYS_INIT(stm32_power_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
diff --git a/soc/arm/st_stm32/stm32wb/power.c b/soc/arm/st_stm32/stm32wb/power.c
index 6ace1efd77f..bace9fe7bb8 100644
--- a/soc/arm/st_stm32/stm32wb/power.c
+++ b/soc/arm/st_stm32/stm32wb/power.c
@@ -193,4 +193,4 @@ static int stm32_power_init(const struct device *dev)
 	return 0;
 }
 
-SYS_INIT(stm32_power_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
+SYS_INIT(stm32_power_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
diff --git a/soc/arm/st_stm32/stm32wl/power.c b/soc/arm/st_stm32/stm32wl/power.c
index 3b32b41a6a0..09dd3642025 100644
--- a/soc/arm/st_stm32/stm32wl/power.c
+++ b/soc/arm/st_stm32/stm32wl/power.c
@@ -112,4 +112,4 @@ static int stm32_power_init(const struct device *dev)
 	return 0;
 }
 
-SYS_INIT(stm32_power_init, POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
+SYS_INIT(stm32_power_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);