diff --git a/src/asciireader.cpp b/src/asciireader.cpp
--- a/src/asciireader.cpp
+++ b/src/asciireader.cpp
@@ -24,12 +24,12 @@
 /// If set to this value number of channels is determined from input
 #define NUMOFCHANNELS_AUTO   (0)
 
-AsciiReader::AsciiReader(QIODevice* device, ChannelManager* channelMan, QObject *parent) :
-    AbstractReader(device, channelMan, parent)
+AsciiReader::AsciiReader(QIODevice* device, ChannelManager* channelMan,
+                         DataRecorder* recorder, QObject* parent) :
+    AbstractReader(device, channelMan, recorder, parent)
 {
     paused = false;
     discardFirstLine = true;
-    sampleCount = 0;
 
     _numOfChannels = _settingsWidget.numOfChannels();
     autoNumOfChannels = (_numOfChannels == NUMOFCHANNELS_AUTO);
@@ -155,9 +155,7 @@ void AsciiReader::onDataReady()
         }
 
         // commit data
-        _channelMan->addData(channelSamples, _numOfChannels);
-        sampleCount += numReadChannels;
-        emit dataAdded();
+        addData(channelSamples, _numOfChannels);
 
         delete[] channelSamples;
     }