diff --git a/plugins/dmxusb/src/nanodmx.cpp b/plugins/dmxusb/src/nanodmx.cpp
index 1575b86964..9f1fd7f890 100644
--- a/plugins/dmxusb/src/nanodmx.cpp
+++ b/plugins/dmxusb/src/nanodmx.cpp
@@ -251,7 +251,7 @@ QString NanoDMX::additionalInfo() const
  * Write universe data
  ****************************************************************************/
 
-bool NanoDMX::writeUniverse(quint32 universe, quint32 output, const QByteArray& data)
+bool NanoDMX::writeUniverse(quint32 universe, quint32 output, const QByteArray& data, bool dataChanged)
 {
     Q_UNUSED(universe)
     Q_UNUSED(output)
@@ -267,8 +267,12 @@ bool NanoDMX::writeUniverse(quint32 universe, quint32 output, const QByteArray&
     //qDebug() << "Writing universe...";
 
     if (m_outputLines[0].m_universeData.size() == 0)
+    {
         m_outputLines[0].m_universeData.append(data);
-    else
+        m_outputLines[0].m_universeData.append(DMX_CHANNELS - data.size(), 0);
+    }
+
+    if (dataChanged)
         m_outputLines[0].m_universeData.replace(0, data.size(), data);
 
     return true;
diff --git a/plugins/dmxusb/src/nanodmx.h b/plugins/dmxusb/src/nanodmx.h
index 55056420b9..e715d84571 100644
--- a/plugins/dmxusb/src/nanodmx.h
+++ b/plugins/dmxusb/src/nanodmx.h
@@ -53,7 +53,7 @@ class NanoDMX : public QThread, public DMXUSBWidget
     QString additionalInfo() const;
 
     /** @reimp */
-    bool writeUniverse(quint32 universe, quint32 output, const QByteArray& data);
+    bool writeUniverse(quint32 universe, quint32 output, const QByteArray& data, bool dataChanged);
 
 protected:
     /** Stop the writer thread */
diff --git a/plugins/peperoni/unix/peperoni.cpp b/plugins/peperoni/unix/peperoni.cpp
index 6fcebe37cc..c3c01a7927 100644
--- a/plugins/peperoni/unix/peperoni.cpp
+++ b/plugins/peperoni/unix/peperoni.cpp
@@ -125,9 +125,10 @@ QString Peperoni::outputInfo(quint32 output)
     return str;
 }
 
-void Peperoni::writeUniverse(quint32 universe, quint32 output, const QByteArray &data)
+void Peperoni::writeUniverse(quint32 universe, quint32 output, const QByteArray &data, bool dataChanged)
 {
     Q_UNUSED(universe)
+    Q_UNUSED(dataChanged)
 
     if (m_devices.contains(output) == false)
         return;
diff --git a/plugins/peperoni/unix/peperoni.h b/plugins/peperoni/unix/peperoni.h
index 34fabe1d13..f79f216aa2 100644
--- a/plugins/peperoni/unix/peperoni.h
+++ b/plugins/peperoni/unix/peperoni.h
@@ -75,7 +75,7 @@ class Peperoni : public QLCIOPlugin
     QString outputInfo(quint32 output);
 
     /** @reimp */
-    void writeUniverse(quint32 universe, quint32 output, const QByteArray& data);
+    void writeUniverse(quint32 universe, quint32 output, const QByteArray& data, bool dataChanged);
 
     /*************************************************************************
      * Inputs
diff --git a/plugins/peperoni/win32/peperoni.cpp b/plugins/peperoni/win32/peperoni.cpp
index 4e25ab8f77..495754ec0b 100644
--- a/plugins/peperoni/win32/peperoni.cpp
+++ b/plugins/peperoni/win32/peperoni.cpp
@@ -149,9 +149,10 @@ QString Peperoni::outputInfo(quint32 output)
     return str;
 }
 
-void Peperoni::writeUniverse(quint32 universe, quint32 output, const QByteArray &data)
+void Peperoni::writeUniverse(quint32 universe, quint32 output, const QByteArray &data, bool dataChanged)
 {
     Q_UNUSED(universe)
+    Q_UNUSED(dataChanged)
 
     if (output < quint32(m_devices.size()))
         m_devices.at(output)->outputDMX(data);
diff --git a/plugins/peperoni/win32/peperoni.h b/plugins/peperoni/win32/peperoni.h
index fab156a6fe..4684b1ac43 100644
--- a/plugins/peperoni/win32/peperoni.h
+++ b/plugins/peperoni/win32/peperoni.h
@@ -75,7 +75,7 @@ class Peperoni : public QLCIOPlugin
     QString outputInfo(quint32 output);
 
     /** @reimp */
-    void writeUniverse(quint32 universe, quint32 output, const QByteArray& data);
+    void writeUniverse(quint32 universe, quint32 output, const QByteArray& data, bool dataChanged);
 
     /** Attempt to find all connected Peperoni devices */
     void rescanDevices();