diff --git a/soc/arm/st_stm32/stm32f4/dts_fixup.h b/soc/arm/st_stm32/stm32f4/dts_fixup.h
index fff8db244b7..1d31916175c 100644
--- a/soc/arm/st_stm32/stm32f4/dts_fixup.h
+++ b/soc/arm/st_stm32/stm32f4/dts_fixup.h
@@ -139,6 +139,15 @@
 #define DT_UART_STM32_UART_4_CLOCK_BUS      DT_ST_STM32_UART_40004C00_CLOCK_BUS
 #define DT_UART_STM32_UART_4_HW_FLOW_CONTROL	DT_ST_STM32_UART_40004C00_HW_FLOW_CONTROL
 
+#define DT_UART_STM32_UART_5_BASE_ADDRESS   DT_ST_STM32_UART_40005000_BASE_ADDRESS
+#define DT_UART_STM32_UART_5_BAUD_RATE      DT_ST_STM32_UART_40005000_CURRENT_SPEED
+#define DT_UART_STM32_UART_5_IRQ_PRI        DT_ST_STM32_UART_40005000_IRQ_0_PRIORITY
+#define DT_UART_STM32_UART_5_NAME           DT_ST_STM32_UART_40005000_LABEL
+#define DT_UART_5_IRQ                              DT_ST_STM32_UART_40005000_IRQ_0
+#define DT_UART_STM32_UART_5_CLOCK_BITS     DT_ST_STM32_UART_40005000_CLOCK_BITS
+#define DT_UART_STM32_UART_5_CLOCK_BUS      DT_ST_STM32_UART_40005000_CLOCK_BUS
+#define DT_UART_STM32_UART_5_HW_FLOW_CONTROL	DT_ST_STM32_UART_40005000_HW_FLOW_CONTROL
+
 #define DT_UART_STM32_USART_6_NAME           DT_ST_STM32_USART_40011400_LABEL
 #define DT_UART_STM32_USART_6_BASE_ADDRESS   DT_ST_STM32_USART_40011400_BASE_ADDRESS
 #define DT_UART_STM32_USART_6_BAUD_RATE      DT_ST_STM32_USART_40011400_CURRENT_SPEED