diff --git a/src/main/drivers/timer.c b/src/main/drivers/timer.c
index db50b9ee09..a59257a5cf 100644
--- a/src/main/drivers/timer.c
+++ b/src/main/drivers/timer.c
@@ -224,8 +224,9 @@ const timerHardware_t timerHardware[USABLE_TIMER_CHANNEL_COUNT] = {
 const timerHardware_t timerHardware[USABLE_TIMER_CHANNEL_COUNT] = {
     { TIM2,  GPIOA, Pin_0,  TIM_Channel_1, TIM2_IRQn,               0, Mode_AF_PP, GPIO_PinSource0,  GPIO_AF_1}, // RC_CH1 - PA0  - *TIM2_CH1
     { TIM2,  GPIOA, Pin_1,  TIM_Channel_2, TIM2_IRQn,               0, Mode_AF_PP, GPIO_PinSource1,  GPIO_AF_1}, // RC_CH2 - PA1  - *TIM2_CH2, TIM15_CH1N
-    { TIM2,  GPIOB, Pin_10, TIM_Channel_3, TIM3_IRQn,               0, Mode_AF_PP, GPIO_PinSource10, GPIO_AF_1}, // RC_CH3 - PB10 - *TIM2_CH3, USART3_TX (AF7)
-    { TIM2,  GPIOB, Pin_11, TIM_Channel_4, TIM3_IRQn,               0, Mode_AF_PP, GPIO_PinSource11, GPIO_AF_1}, // RC_CH4 - PB11 - *TIM2_CH4, USART3_RX (AF7)
+    // Production boards swapped RC_CH3/4 swapped to make it easier to use SerialRX using supplied cables - compared to first prototype.
+    { TIM2,  GPIOB, Pin_11, TIM_Channel_4, TIM3_IRQn,               0, Mode_AF_PP, GPIO_PinSource11, GPIO_AF_1}, // RC_CH3 - PB11 - *TIM2_CH4, USART3_RX (AF7)
+    { TIM2,  GPIOB, Pin_10, TIM_Channel_3, TIM3_IRQn,               0, Mode_AF_PP, GPIO_PinSource10, GPIO_AF_1}, // RC_CH4 - PB10 - *TIM2_CH3, USART3_TX (AF7)
     { TIM3,  GPIOB, Pin_4,  TIM_Channel_1, TIM3_IRQn,               0, Mode_AF_PP, GPIO_PinSource4,  GPIO_AF_2}, // RC_CH5 - PB4  - *TIM3_CH1
     { TIM3,  GPIOB, Pin_5,  TIM_Channel_2, TIM3_IRQn,               0, Mode_AF_PP, GPIO_PinSource5,  GPIO_AF_2}, // RC_CH6 - PB5  - *TIM3_CH2
     { TIM3,  GPIOB, Pin_0,  TIM_Channel_3, TIM3_IRQn,               0, Mode_AF_PP, GPIO_PinSource0,  GPIO_AF_2}, // RC_CH7 - PB0  - *TIM3_CH3, TIM1_CH2N, TIM8_CH2N