diff --git a/radio/src/targets/simu/simpgmspace.cpp b/radio/src/targets/simu/simpgmspace.cpp
index 2a7e1b521..d79130eae 100644
--- a/radio/src/targets/simu/simpgmspace.cpp
+++ b/radio/src/targets/simu/simpgmspace.cpp
@@ -57,7 +57,7 @@ uint32_t Peri1_frequency, Peri2_frequency;
 GPIO_TypeDef gpioa, gpiob, gpioc, gpiod, gpioe, gpiof, gpiog, gpioh, gpioi, gpioj;
 TIM_TypeDef tim1, tim2, tim3, tim4, tim5, tim6, tim7, tim8, tim9, tim10;
 RCC_TypeDef rcc;
-DMA_Stream_TypeDef dma2_stream2, dma2_stream6;
+DMA_Stream_TypeDef dma2_stream2, dma2_stream6, dma1_stream5;
 DMA_TypeDef dma2;
 USART_TypeDef Usart0, Usart1, Usart2, Usart3, Usart4;
 #elif defined(CPUARM)
diff --git a/radio/src/targets/simu/simpgmspace.h b/radio/src/targets/simu/simpgmspace.h
index 1ce26a9c2..a604da26b 100644
--- a/radio/src/targets/simu/simpgmspace.h
+++ b/radio/src/targets/simu/simpgmspace.h
@@ -93,7 +93,7 @@ extern GPIO_TypeDef gpioa, gpiob, gpioc, gpiod, gpioe, gpiof, gpiog, gpioh, gpio
 extern TIM_TypeDef tim1, tim2, tim3, tim4, tim5, tim6, tim7, tim8, tim9, tim10;
 extern USART_TypeDef Usart0, Usart1, Usart2, Usart3, Usart4;
 extern RCC_TypeDef rcc;
-extern DMA_Stream_TypeDef dma2_stream2, dma2_stream6;
+extern DMA_Stream_TypeDef dma2_stream2, dma2_stream6, dma1_stream5;
 extern DMA_TypeDef dma2;
 #undef GPIOA
 #undef GPIOB
@@ -145,8 +145,10 @@ extern DMA_TypeDef dma2;
 #define USART3 (&Usart3)
 #undef RCC
 #define RCC (&rcc)
+#undef DMA1_Stream5
 #undef DMA2_Stream2
 #undef DMA2_Stream6
+#define DMA1_Stream5 (&dma1_stream5)
 #define DMA2_Stream2 (&dma2_stream2)
 #define DMA2_Stream6 (&dma2_stream6)
 #undef DMA2