diff --git a/src/Config.h b/src/Config.h
index d3926855..e02cf3c1 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -30,7 +30,7 @@
 #define VER_LAMEXP_MINOR_LO					3
 #define VER_LAMEXP_TYPE						Beta
 #define VER_LAMEXP_PATCH					1
-#define VER_LAMEXP_BUILD					676
+#define VER_LAMEXP_BUILD					678
 
 ///////////////////////////////////////////////////////////////////////////////
 // Tools versions
diff --git a/src/Dialog_Processing.cpp b/src/Dialog_Processing.cpp
index 8fb2b532..644bd80b 100644
--- a/src/Dialog_Processing.cpp
+++ b/src/Dialog_Processing.cpp
@@ -481,7 +481,6 @@ void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 
 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 {
-	qDebug("sectionResized");
 	if(logicalIndex == 1)
 	{
 		if(QHeaderView *hdr = view_log->horizontalHeader())
diff --git a/src/Thread_Process.cpp b/src/Thread_Process.cpp
index 68c539a6..716f79af 100644
--- a/src/Thread_Process.cpp
+++ b/src/Thread_Process.cpp
@@ -402,11 +402,15 @@ void ProcessThread::insertDownmixFilter(void)
 			applyDownmixing = false;
 		}
 	}
-		
+
 	//Now add the downmixing filter, if needed
 	if(applyDownmixing)
 	{
-		m_filters.prepend(new DownmixFilter());
+		unsigned int channels = m_audioFile.formatAudioChannels();
+		if((channels == 0) || (channels > 2))
+		{
+			m_filters.prepend(new DownmixFilter());
+		}
 	}
 }