diff --git a/flight/targets/boards/revolution/board_hw_defs.c b/flight/targets/boards/revolution/board_hw_defs.c
index ea7f5fb92..f935f4fc2 100644
--- a/flight/targets/boards/revolution/board_hw_defs.c
+++ b/flight/targets/boards/revolution/board_hw_defs.c
@@ -1113,13 +1113,14 @@ static const struct pios_usart_cfg pios_usart_rcvrport_cfg = {
     },
 
     .dtr                                       = {
-        .gpio = GPIOB,
-        .init = {
-            .GPIO_Pin   = GPIO_Pin_13, // FlexIO pin 4
+    	// FlexIO pin 9
+		.gpio = GPIOC,
+		.init = {
+			.GPIO_Pin   = GPIO_Pin_8,
             .GPIO_Speed = GPIO_Speed_25MHz,
             .GPIO_Mode  = GPIO_Mode_OUT,
             .GPIO_OType = GPIO_OType_PP,
-        },
+		},
     },
 
     .tx                                        = {