diff --git a/src/main/drivers/timer.h b/src/main/drivers/timer.h
index a35c626af5..67bfc60496 100644
--- a/src/main/drivers/timer.h
+++ b/src/main/drivers/timer.h
@@ -96,7 +96,7 @@ typedef struct timerHardware_s {
 #if defined(STM32F3) || defined(STM32F4) || defined(STM32F7)
     uint8_t alternateFunction;
 #endif
-#if defined(USE_DSHOT) || defined(LED_STRIP)
+#if defined(USE_DSHOT) || defined(LED_STRIP) || defined(TRANSPONDER)
 #if defined(STM32F4) || defined(STM32F7)
     DMA_Stream_TypeDef *dmaRef;
     uint32_t dmaChannel;
diff --git a/src/main/drivers/timer_def.h b/src/main/drivers/timer_def.h
index 35d1076182..ba37d7e65e 100644
--- a/src/main/drivers/timer_def.h
+++ b/src/main/drivers/timer_def.h
@@ -20,7 +20,7 @@
 #include <platform.h>
 #include "common/utils.h"
 
-#if defined(USE_DSHOT) || defined(LED_STRIP)
+#if defined(USE_DSHOT) || defined(LED_STRIP) || defined(TRANSPONDER)
 # define DEF_TIM_DMA_COND(...) __VA_ARGS__
 #else
 # define DEF_TIM_DMA_COND(...)