diff --git a/radio/src/targets/tbs/telemetry_driver.cpp b/radio/src/targets/tbs/telemetry_driver.cpp
index 0f59d23b0..22496cc33 100644
--- a/radio/src/targets/tbs/telemetry_driver.cpp
+++ b/radio/src/targets/tbs/telemetry_driver.cpp
@@ -214,6 +214,7 @@ void sportWaitTransmissionComplete()
 
 void telemetryPortSetDirectionInput()
 {
+  sportWaitTransmissionComplete();
   TELEMETRY_DIR_INPUT();
   TELEMETRY_USART->CR1 |= USART_CR1_RE; // turn on receiver
 }