diff --git a/radio/src/targets/horus/hal.h b/radio/src/targets/horus/hal.h
index eebb201c3..4532ef8d7 100644
--- a/radio/src/targets/horus/hal.h
+++ b/radio/src/targets/horus/hal.h
@@ -447,7 +447,7 @@
   #define AUX2_SERIAL_GPIO_PinSource_TX        GPIO_PinSource14
   #define AUX2_SERIAL_GPIO_PinSource_RX        GPIO_PinSource9
   #define AUX2_SERIAL_USART_IRQHandler         USART6_IRQHandler
-  #define AUX2_SERIAL_DMA_Stream_RX            DMA2_Stream6
+  #define AUX2_SERIAL_DMA_Stream_RX            DMA2_Stream1 // or DMA2_Stream2
   #define AUX2_SERIAL_DMA_Channel_RX           DMA_Channel_5
   #define AUX2_SERIAL_PWR_GPIO                 GPIOB
   #define AUX2_SERIAL_PWR_GPIO_PIN             GPIO_Pin_0  // PB.00