diff --git a/arch/arm/soc/st_stm32/stm32l4/Kconfig.defconfig.stm32l432xx b/arch/arm/soc/st_stm32/stm32l4/Kconfig.defconfig.stm32l432xx
index 1210383f34e..4f9de4c906f 100644
--- a/arch/arm/soc/st_stm32/stm32l4/Kconfig.defconfig.stm32l432xx
+++ b/arch/arm/soc/st_stm32/stm32l4/Kconfig.defconfig.stm32l432xx
@@ -1,4 +1,4 @@
-# Kconfig - ST Microelectronics STM32L432KC MCU
+# Kconfig - ST Microelectronics STM32L432XX MCU
 #
 # Copyright (c) 2016 Open-RnD Sp. z o.o.
 # Copyright (c) 2016 BayLibre, SAS
@@ -6,7 +6,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-if SOC_STM32L432XX
+if SOC_STM32L432XC
 
 config SOC
 	string
@@ -16,5 +16,5 @@ config NUM_IRQS
 	int
 	default 82
 
-endif # SOC_STM32L432XX
+endif # SOC_STM32L432XC
 
diff --git a/arch/arm/soc/st_stm32/stm32l4/Kconfig.soc b/arch/arm/soc/st_stm32/stm32l4/Kconfig.soc
index e636253663d..63d1c2de825 100644
--- a/arch/arm/soc/st_stm32/stm32l4/Kconfig.soc
+++ b/arch/arm/soc/st_stm32/stm32l4/Kconfig.soc
@@ -14,8 +14,8 @@ config SOC_STM32L476XX
 	bool "STM32L476XX"
 	select HAS_STM32CUBE
 
-config SOC_STM32L432XX
-	bool "STM32L432XX"
+config SOC_STM32L432XC
+	bool "STM32L432XC"
 	select HAS_STM32CUBE
 
 config SOC_STM32L475XG
diff --git a/boards/arm/nucleo_l432kc/Kconfig.board b/boards/arm/nucleo_l432kc/Kconfig.board
index 5d3573d9f5c..7c31dadefbe 100644
--- a/boards/arm/nucleo_l432kc/Kconfig.board
+++ b/boards/arm/nucleo_l432kc/Kconfig.board
@@ -8,4 +8,4 @@
 
 config BOARD_NUCLEO_L432KC
 	bool "Nucleo L432KC Development Board"
-	depends on SOC_STM32L432XX
+	depends on SOC_STM32L432XC
diff --git a/boards/arm/nucleo_l432kc/nucleo_l432kc_defconfig b/boards/arm/nucleo_l432kc/nucleo_l432kc_defconfig
index 0a63d14e233..ea9d332c2c0 100644
--- a/boards/arm/nucleo_l432kc/nucleo_l432kc_defconfig
+++ b/boards/arm/nucleo_l432kc/nucleo_l432kc_defconfig
@@ -2,7 +2,7 @@ CONFIG_ARM=y
 CONFIG_BOARD_STM32_NUCLEO_L432KC=y
 CONFIG_SOC_FAMILY_STM32=y
 CONFIG_SOC_SERIES_STM32L4X=y
-CONFIG_SOC_STM32L432XX=y
+CONFIG_SOC_STM32L432XC=y
 CONFIG_CORTEX_M_SYSTICK=y
 # 80MHz system clock
 CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=80000000
diff --git a/dts/arm/st/mem.h b/dts/arm/st/mem.h
index 98e8713ce0d..be926c8c67e 100644
--- a/dts/arm/st/mem.h
+++ b/dts/arm/st/mem.h
@@ -39,7 +39,7 @@
 #elif defined(CONFIG_SOC_STM32L476XX)
 #define DT_FLASH_SIZE		__SIZE_K(1024)
 #define DT_SRAM_SIZE		__SIZE_K(96)
-#elif defined(CONFIG_SOC_STM32L432XX)
+#elif defined(CONFIG_SOC_STM32L432XC)
 #define DT_FLASH_SIZE		__SIZE_K(256)
 #define DT_SRAM_SIZE		__SIZE_K(64)
 #else