diff --git a/companion/src/firmwares/opentx/opentxinterface.cpp b/companion/src/firmwares/opentx/opentxinterface.cpp
index 328ae19e3..b6b61d720 100644
--- a/companion/src/firmwares/opentx/opentxinterface.cpp
+++ b/companion/src/firmwares/opentx/opentxinterface.cpp
@@ -841,9 +841,9 @@ int OpenTxEepromInterface::isAvailable(Protocol proto, int port)
       case 0:
         switch (proto) {
           case PPM:
-          // case PXX_XJT_X16:
-          // case PXX_XJT_D8:
-          // case PXX_XJT_LR12:
+          case PXX_XJT_X16:
+          case PXX_XJT_D8:
+          case PXX_XJT_LR12:
           case LP45:
           case DSM2:
           case DSMX:
diff --git a/radio/src/Makefile b/radio/src/Makefile
index 30a163ef7..3212d851c 100644
--- a/radio/src/Makefile
+++ b/radio/src/Makefile
@@ -779,7 +779,8 @@ ifeq ($(PCB), $(filter $(PCB), SKY9X 9XRPRO))
   SDCARD = YES
   BUZZER = NO
   THR_TRACE = YES
-  CPPDEFS += -DPCBSKY9X -DCPUARM -DEEPROM_VARIANT=0 -DAUDIO -DHAPTIC -DDSM2 -DDSM2_PPM
+  EXT = FRSKY_SPORT
+  CPPDEFS += -DPCBSKY9X -DCPUARM -DEEPROM_VARIANT=0 -DAUDIO -DHAPTIC -DDSM2 -DDSM2_PPM -DPXX
   ifeq ($(PCB), SKY9X)
     CPPDEFS += -DROTARY_ENCODERS=1
     CPPSRC += targets/sky9x/rotenc_driver.cpp