diff --git a/ground/src/plugins/serialconnection/serialplugin.cpp b/ground/src/plugins/serialconnection/serialplugin.cpp
index 6f57c6ba3..016598d15 100644
--- a/ground/src/plugins/serialconnection/serialplugin.cpp
+++ b/ground/src/plugins/serialconnection/serialplugin.cpp
@@ -103,6 +103,7 @@ QIODevice *SerialConnection::openDevice(const QString &deviceName)
 
 void SerialConnection::closeDevice(const QString &deviceName)
 {
+    Q_UNUSED(deviceName);
     //we have to delete the serial connection we created
     if (serialHandle){
         serialHandle->close ();