diff --git a/EXRAIL2MacroReset.h b/EXRAIL2MacroReset.h
index 5ca2e91..d44b244 100644
--- a/EXRAIL2MacroReset.h
+++ b/EXRAIL2MacroReset.h
@@ -196,7 +196,7 @@
 #define ENDTASK
 #define ESTOP 
 #define EXRAIL
-#define EXTT_TURNTABLE(id,home,description)
+#define EXTT_TURNTABLE(id,vpin,home,description)
 #define FADE(pin,value,ms)
 #define FOFF(func)
 #define FOLLOW(route) 
diff --git a/EXRAILMacros.h b/EXRAILMacros.h
index 31bf0db..8e7fbb9 100644
--- a/EXRAILMacros.h
+++ b/EXRAILMacros.h
@@ -224,7 +224,7 @@ const FSH * RMFT2::getTurnoutDescription(int16_t turnoutid) {
 #undef DCC_TURNTABLE
 #define DCC_TURNTABLE(id,home,description...) O_DESC(id,description)
 #undef EXTT_TURNTABLE
-#define EXTT_TURNTABLE(id,home,description...) O_DESC(id,description)
+#define EXTT_TURNTABLE(id,vpin,home,description...) O_DESC(id,description)
 
 const FSH * RMFT2::getTurntableDescription(int16_t turntableId) {
    switch (turntableId) {
@@ -354,7 +354,7 @@ int RMFT2::onLCCLookup[RMFT2::countLCCLookup];
 #define ESTOP OPCODE_SPEED,V(1), 
 #define EXRAIL
 #ifndef IO_NO_HAL
-#define EXTT_TURNTABLE(id,home,description...) OPCODE_EXTTTURNTABLE,V(id),OPCODE_PAD,V(home),
+#define EXTT_TURNTABLE(id,vpin,home,description...) OPCODE_EXTTTURNTABLE,V(id),OPCODE_PAD,V(vpin),OPCODE_PAD,V(home),
 #endif
 #define FADE(pin,value,ms) OPCODE_SERVO,V(pin),OPCODE_PAD,V(value),OPCODE_PAD,V(PCA9685::ProfileType::UseDuration|PCA9685::NoPowerOff),OPCODE_PAD,V(ms/100L),
 #define FOFF(func) OPCODE_FOFF,V(func),
diff --git a/Turntables.cpp b/Turntables.cpp
index daa71fa..ba143cb 100644
--- a/Turntables.cpp
+++ b/Turntables.cpp
@@ -183,7 +183,7 @@ using DevState = IODevice::DeviceStateEnum;
         return tto;
       }
     }
-    // if (!IODevice::exists(vpin)) return nullptr;
+    if (!IODevice::exists(vpin)) return nullptr;
     if (IODevice::getStatus(vpin) == DevState::DEVSTATE_FAILED) return nullptr;
     if (Turntable::getByVpin(vpin)) return nullptr;
     tto = (Turntable *)new EXTTTurntable(id, vpin);