diff --git a/Source/PluginEditor.cpp b/Source/PluginEditor.cpp
index 84c0afc..8b989e6 100644
--- a/Source/PluginEditor.cpp
+++ b/Source/PluginEditor.cpp
@@ -118,6 +118,8 @@ void PaulstretchpluginAudioProcessorEditor::timerCallback(int id)
 			String(processor.getStretchSource()->getFFTSize());
 		if (processor.m_abnormal_output_samples > 0)
 			infotext += " " + String(processor.m_abnormal_output_samples) + " invalid sample values";
+		if (processor.isNonRealtime())
+			infotext += " (offline rendering)";
 		m_info_label.setText(infotext, dontSendNotification);
 	}
 	if (id == 2)
diff --git a/Source/PluginProcessor.cpp b/Source/PluginProcessor.cpp
index caa7dfe..a3f872b 100644
--- a/Source/PluginProcessor.cpp
+++ b/Source/PluginProcessor.cpp
@@ -413,9 +413,15 @@ void PaulstretchpluginAudioProcessor::processBlock (AudioSampleBuffer& buffer, M
 	m_stretch_source->setFreezing(getParameter(cpi_freeze));
 	m_stretch_source->setPaused(getParameter(cpi_pause_enabled));
 	m_stretch_source->setProcessParameters(&m_ppar);
-	
 	AudioSourceChannelInfo aif(buffer);
-	m_buffering_source->getNextAudioBlock(aif);
+	if (isNonRealtime())
+	{
+		m_stretch_source->getNextAudioBlock(aif);
+	}
+	else
+	{
+		m_buffering_source->getNextAudioBlock(aif);
+	}
 	for (int i = 0; i < buffer.getNumChannels(); ++i)
 	{
 		for (int j = 0; j < buffer.getNumSamples(); ++j)
diff --git a/Source/PluginProcessor.h b/Source/PluginProcessor.h
index 91144ac..3ae0550 100644
--- a/Source/PluginProcessor.h
+++ b/Source/PluginProcessor.h
@@ -111,6 +111,7 @@ public:
 	void timerCallback(int id) override;
 	double getSampleRateChecked();
 	int m_abnormal_output_samples = 0;
+	
 private: