diff --git a/src/main/rx/fport.c b/src/main/rx/fport.c
index 357792d846..c6fbef6625 100644
--- a/src/main/rx/fport.c
+++ b/src/main/rx/fport.c
@@ -358,7 +358,7 @@ bool fportRxInit(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig)
         NULL,
         FPORT_BAUDRATE,
         MODE_RXTX,
-        FPORT_PORT_OPTIONS | (rxConfig->serialrx_inverted ? 0: SERIAL_INVERTED) | (rxConfig->halfDuplex ? SERIAL_BIDIR : 0)
+        FPORT_PORT_OPTIONS | (rxConfig->serialrx_inverted ? SERIAL_INVERTED : 0) | (rxConfig->halfDuplex ? SERIAL_BIDIR : 0)
     );
 
     if (fportPort) {