diff --git a/bsp/stm32/libraries/HAL_Drivers/config/f4/dma_config.h b/bsp/stm32/libraries/HAL_Drivers/config/f4/dma_config.h
index b535cf4850..016ec32dee 100644
--- a/bsp/stm32/libraries/HAL_Drivers/config/f4/dma_config.h
+++ b/bsp/stm32/libraries/HAL_Drivers/config/f4/dma_config.h
@@ -259,7 +259,7 @@ extern "C" {
 #define SPI5_TX_DMA_INSTANCE             DMA2_Stream6
 #define SPI5_TX_DMA_CHANNEL              DMA_CHANNEL_7
 #define SPI5_TX_DMA_IRQ                  DMA2_Stream6_IRQn
-#elif defined(BSP_UART6_TX_USING_DMA) && !defined(BSP_USING_SDIO)
+#elif defined(BSP_UART6_TX_USING_DMA) && !defined(BSP_USING_SDIO) && !defined(UART6_TX_DMA_INSTANCE)
 #define UART6_DMA_TX_IRQHandler         DMA2_Stream6_IRQHandler
 #define UART6_TX_DMA_RCC                RCC_AHB1ENR_DMA2EN
 #define UART6_TX_DMA_INSTANCE           DMA2_Stream6