diff --git a/soc/arm/st_stm32/stm32f1/dts.fixup b/soc/arm/st_stm32/stm32f1/dts.fixup
index 922434cfb02..61920cbd954 100644
--- a/soc/arm/st_stm32/stm32f1/dts.fixup
+++ b/soc/arm/st_stm32/stm32f1/dts.fixup
@@ -20,11 +20,11 @@
 #define CONFIG_UART_STM32_USART_3_NAME           ST_STM32_USART_40004800_LABEL
 #define USART_3_IRQ                              ST_STM32_USART_40004800_IRQ_0
 
-#define CONFIG_UART_STM32_PORT_4_BASE_ADDRESS   ST_STM32_UART_40004C00_BASE_ADDRESS
-#define CONFIG_UART_STM32_PORT_4_BAUD_RATE      ST_STM32_UART_40004C00_CURRENT_SPEED
-#define CONFIG_UART_STM32_PORT_4_IRQ_PRI        ST_STM32_UART_40004C00_IRQ_0_PRIORITY
-#define CONFIG_UART_STM32_PORT_4_NAME           ST_STM32_UART_40004C00_LABEL
-#define PORT_4_IRQ                              ST_STM32_UART_40004C00_IRQ_0
+#define CONFIG_UART_STM32_UART_4_BASE_ADDRESS   ST_STM32_UART_40004C00_BASE_ADDRESS
+#define CONFIG_UART_STM32_UART_4_BAUD_RATE      ST_STM32_UART_40004C00_CURRENT_SPEED
+#define CONFIG_UART_STM32_UART_4_IRQ_PRI        ST_STM32_UART_40004C00_IRQ_0_PRIORITY
+#define CONFIG_UART_STM32_UART_4_NAME           ST_STM32_UART_40004C00_LABEL
+#define UART_4_IRQ                              ST_STM32_UART_40004C00_IRQ_0
 
 #define CONFIG_I2C_1_BASE_ADDRESS               ST_STM32_I2C_V1_40005400_BASE_ADDRESS
 #define CONFIG_I2C_1_EVENT_IRQ_PRI              ST_STM32_I2C_V1_40005400_IRQ_EVENT_PRIORITY