diff --git a/radio/src/telemetry/telemetry.cpp b/radio/src/telemetry/telemetry.cpp
index 03878eee6..5c5b1181c 100644
--- a/radio/src/telemetry/telemetry.cpp
+++ b/radio/src/telemetry/telemetry.cpp
@@ -291,6 +291,7 @@ void telemetryInit(uint8_t protocol)
 #if defined(LUA)
     outputTelemetryBuffer.reset();
 #endif
+    telemetryPortSetDirectionInput();
   }
   else if (protocol == PROTOCOL_TELEMETRY_SPEKTRUM) {
     // Spektrum's own small race RX (SPM4648) uses 125000 8N1, use the same since there is no real standard