diff --git a/radio/src/targets/common/arm/stm32/intmodule_serial_driver.cpp b/radio/src/targets/common/arm/stm32/intmodule_serial_driver.cpp
index 1d50e8895..1152e0aad 100755
--- a/radio/src/targets/common/arm/stm32/intmodule_serial_driver.cpp
+++ b/radio/src/targets/common/arm/stm32/intmodule_serial_driver.cpp
@@ -74,9 +74,15 @@ static const stm32_usart_t intmoduleUSART = {
   .pinInit = &intmoduleUSART_PinDef,
   .IRQn = INTMODULE_USART_IRQn,
   .IRQ_Prio = INTMODULE_USART_IRQ_PRIORITY,
+#if defined(INTMODULE_DMA)
   .txDMA = INTMODULE_DMA,
   .txDMA_Stream = INTMODULE_DMA_STREAM,
   .txDMA_Channel = INTMODULE_DMA_CHANNEL,
+#else
+  .txDMA = nullptr,
+  .txDMA_Stream = 0,
+  .txDMA_Channel = 0,
+#endif
   .rxDMA = nullptr,
   .rxDMA_Stream = 0,
   .rxDMA_Channel = 0,
diff --git a/radio/src/targets/taranis/hal.h b/radio/src/targets/taranis/hal.h
index 704a62941..e45911ae8 100644
--- a/radio/src/targets/taranis/hal.h
+++ b/radio/src/targets/taranis/hal.h
@@ -1475,9 +1475,9 @@
   #define INTMODULE_USART_IRQn            USART3_IRQn
   #define INTMODULE_USART_IRQHandler      USART3_IRQHandler
   // DMA1_Stream3 is already used by SDIO
-  #define INTMODULE_DMA                   NULL
-  #define INTMODULE_DMA_CHANNEL           0
-  #define INTMODULE_DMA_STREAM            0
+  // #define INTMODULE_DMA                   NULL
+  // #define INTMODULE_DMA_CHANNEL           0
+  // #define INTMODULE_DMA_STREAM            0
 #if defined(RADIO_TLITE)
   #define INTMODULE_BOOTCMD_GPIO          GPIOA
   #define INTMODULE_BOOTCMD_GPIO_PIN      GPIO_Pin_5  // PA.05