diff --git a/boards/arm/stm32l496g_disco/Kconfig.defconfig b/boards/arm/stm32l496g_disco/Kconfig.defconfig
index 886a9bea9ae..de67b13fc6d 100644
--- a/boards/arm/stm32l496g_disco/Kconfig.defconfig
+++ b/boards/arm/stm32l496g_disco/Kconfig.defconfig
@@ -20,7 +20,7 @@ endif # UART_CONSOLE
 
 if SERIAL
 
-config UART_LPUART_1
+config LPUART_1
 	default y
 
 endif # SERIAL
diff --git a/drivers/serial/Kconfig.stm32 b/drivers/serial/Kconfig.stm32
index 959787aaccd..bb5e0d68d96 100644
--- a/drivers/serial/Kconfig.stm32
+++ b/drivers/serial/Kconfig.stm32
@@ -111,7 +111,7 @@ if SOC_SERIES_STM32L0X || SOC_SERIES_STM32L4X
 
 # --- low power port 1 ---
 
-config UART_LPUART_1
+config LPUART_1
 	bool "Enable STM32 LPUART1 Port"
 	depends on UART_STM32
 	help
diff --git a/drivers/serial/uart_stm32.c b/drivers/serial/uart_stm32.c
index 231929a2ec4..311e979e75b 100644
--- a/drivers/serial/uart_stm32.c
+++ b/drivers/serial/uart_stm32.c
@@ -483,5 +483,5 @@ STM32_UART_INIT(UART_10)
 #if defined(CONFIG_SOC_SERIES_STM32L4X) || defined(CONFIG_SOC_SERIES_STM32L0X)
 #ifdef CONFIG_LPUART_1
 STM32_UART_INIT(LPUART_1)
-#endif /* CONFIG_UART_LPUART_1 */
+#endif /* CONFIG_LPUART_1 */
 #endif