diff --git a/IO.cpp b/IO.cpp
index 282a7de..b7721a2 100644
--- a/IO.cpp
+++ b/IO.cpp
@@ -312,6 +312,11 @@ void CIO::setDecode(bool dcd)
   m_dcd = dcd;
 }
 
+bool CIO::getDecode()
+{
+  return m_dcd;
+}
+
 void CIO::setADCDetection(bool detect)
 {
   m_detect = detect;
diff --git a/IO.h b/IO.h
index 2113358..39f2364 100644
--- a/IO.h
+++ b/IO.h
@@ -51,6 +51,8 @@ public:
 
   bool hasLockout() const;
 
+  bool getDecode();
+
   void resetWatchdog();
 
 private:
diff --git a/SerialPort.cpp b/SerialPort.cpp
index b623332..0f02897 100644
--- a/SerialPort.cpp
+++ b/SerialPort.cpp
@@ -116,7 +116,7 @@ void CSerialPort::getStatus()
 
   // Send all sorts of interesting internal values
   reply[0U]  = MMDVM_FRAME_START;
-  reply[1U]  = 11U;
+  reply[1U]  = 12U;
   reply[2U]  = MMDVM_GET_STATUS;
 
   reply[3U]  = 0x00U;
@@ -180,7 +180,12 @@ void CSerialPort::getStatus()
   else
     reply[10U] = 0U;
 
-  writeInt(1U, reply, 11);
+  if (io.getDecode())
+    reply[11U] = 1U;
+  else
+    reply[11U] = 0U;
+
+  writeInt(1U, reply, 12);
 }
 
 void CSerialPort::getVersion()