diff --git a/companion/src/firmwares/opentx/opentxinterface.cpp b/companion/src/firmwares/opentx/opentxinterface.cpp
index a8c38ff42..5c584eceb 100644
--- a/companion/src/firmwares/opentx/opentxinterface.cpp
+++ b/companion/src/firmwares/opentx/opentxinterface.cpp
@@ -1342,13 +1342,14 @@ void registerOpenTxFirmwares()
   addOpenTxFrskyOptions(firmware);
   firmware->addOption("internalmulti", Firmware::tr("Support for MULTI internal module"));
   firmware->addOption("bluetooth", Firmware::tr("Support for bluetooth module"));
-  registerOpenTxFirmware(firmware);
   addOpenTxRfOptions(firmware, FLEX);
+  registerOpenTxFirmware(firmware);
 
   /* Radiomaster TX16S board */
   firmware = new OpenTxFirmware("opentx-tx16s", Firmware::tr("Radiomaster TX16s / TX16s Hall / TX16s Masterfire"), BOARD_RADIOMASTER_TX16S);
   addOpenTxFrskyOptions(firmware);
   firmware->addOption("bluetooth", Firmware::tr("Support for bluetooth module"));
+  addOpenTxRfOptions(firmware, FLEX);
   registerOpenTxFirmware(firmware);
 
   /* 9XR-Pro */