diff --git a/companion/src/eeprominterface.h b/companion/src/eeprominterface.h
index 92f942e51..129bd57c5 100644
--- a/companion/src/eeprominterface.h
+++ b/companion/src/eeprominterface.h
@@ -1391,8 +1391,6 @@ class EEPROMInterface
 
     virtual int getSize(const GeneralSettings &) = 0;
 
-    virtual int isAvailable(PulsesProtocol proto, int port=0) = 0;
-
     virtual const int getEEpromSize() = 0;
 
     virtual const int getMaxModels() = 0;
@@ -1628,6 +1626,8 @@ class Firmware {
 
     virtual bool isTelemetrySourceAvailable(int source) = 0;
 
+    virtual int isAvailable(PulsesProtocol proto, int port=0) = 0;
+
   public:
     QList<const char *> languages;
     QList<const char *> ttslanguages;
diff --git a/companion/src/firmwares/opentx/opentxinterface.cpp b/companion/src/firmwares/opentx/opentxinterface.cpp
index af13ef8be..97b9e1598 100644
--- a/companion/src/firmwares/opentx/opentxinterface.cpp
+++ b/companion/src/firmwares/opentx/opentxinterface.cpp
@@ -816,7 +816,7 @@ bool OpenTxFirmware::isTelemetrySourceAvailable(int source)
   return true;
 }
 
-int OpenTxEepromInterface::isAvailable(PulsesProtocol proto, int port)
+int OpenTxFirmware::isAvailable(PulsesProtocol proto, int port)
 {
   if (IS_TARANIS(board)) {
     switch (port) {
@@ -827,6 +827,8 @@ int OpenTxEepromInterface::isAvailable(PulsesProtocol proto, int port)
           case PULSES_PXX_XJT_D8:
           case PULSES_PXX_XJT_LR12:
             return 1;
+          case PULSES_PPM:
+            return id.contains("internalppm") ? 1 : 0;
           default:
             return 0;
         }
@@ -893,7 +895,7 @@ int OpenTxEepromInterface::isAvailable(PulsesProtocol proto, int port)
       case PULSES_DSMX:
       case PULSES_LP45:
       case PULSES_DSM2:
-      case PULSES_PXX_DJT:
+      // case PULSES_PXX_DJT:     // Unavailable for now
       case PULSES_PPM16:
       case PULSES_PPMSIM:
         return 1;
diff --git a/companion/src/firmwares/opentx/opentxinterface.h b/companion/src/firmwares/opentx/opentxinterface.h
index e2f249ecb..41c1bf6a2 100644
--- a/companion/src/firmwares/opentx/opentxinterface.h
+++ b/companion/src/firmwares/opentx/opentxinterface.h
@@ -45,8 +45,6 @@ class OpenTxEepromInterface : public EEPROMInterface
 
     virtual int getSize(const GeneralSettings &);
 
-    virtual int isAvailable(PulsesProtocol proto, int port=0);
-
   protected:
 
     const char * getName();
@@ -123,6 +121,8 @@ class OpenTxFirmware: public Firmware {
 
     virtual bool isTelemetrySourceAvailable(int source);
 
+    virtual int isAvailable(PulsesProtocol proto, int port=0);
+
   protected:
 
     QString getFirmwareBaseUrl();
diff --git a/companion/src/modeledit/setup.cpp b/companion/src/modeledit/setup.cpp
index 87e758d50..401f78be8 100644
--- a/companion/src/modeledit/setup.cpp
+++ b/companion/src/modeledit/setup.cpp
@@ -171,7 +171,7 @@ ModulePanel::ModulePanel(QWidget *parent, ModelData & model, ModuleData & module
 
   // The protocols available on this board
   for (int i=0; i<PULSES_PROTOCOL_LAST; i++) {
-    if (GetEepromInterface()->isAvailable((PulsesProtocol)i, moduleIdx)) {
+    if (firmware->isAvailable((PulsesProtocol)i, moduleIdx)) {
       ui->protocol->addItem(ModelPrinter::printModuleProtocol(i), (QVariant)i);
       if (i == module.protocol) ui->protocol->setCurrentIndex(ui->protocol->count()-1);
     }