diff --git a/plugins/samplesource/bladerfinput/bladerfinputgui.cpp b/plugins/samplesource/bladerfinput/bladerfinputgui.cpp
index d547fc7af..78b0f0457 100644
--- a/plugins/samplesource/bladerfinput/bladerfinputgui.cpp
+++ b/plugins/samplesource/bladerfinput/bladerfinputgui.cpp
@@ -38,6 +38,9 @@ BladerfInputGui::BladerfInputGui(DeviceSourceAPI *deviceAPI, QWidget* parent) :
 	m_sampleRate(0),
 	m_lastEngineState((DSPDeviceSourceEngine::State)-1)
 {
+    m_sampleSource = new BladerfInput(m_deviceAPI);
+    m_deviceAPI->setSource(m_sampleSource);
+
 	ui->setupUi(this);
 	ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::ReverseGold));
 	ui->centerFrequency->setValueRange(7, BLADERF_FREQUENCY_MIN_XB200/1000, BLADERF_FREQUENCY_MAX/1000);
@@ -58,9 +61,6 @@ BladerfInputGui::BladerfInputGui(DeviceSourceAPI *deviceAPI, QWidget* parent) :
 
 	displaySettings();
 
-	m_sampleSource = new BladerfInput(m_deviceAPI);
-	m_deviceAPI->setSource(m_sampleSource);
-
 	char recFileNameCStr[30];
 	sprintf(recFileNameCStr, "test_%d.sdriq", m_deviceAPI->getDeviceUID());
     m_fileSink = new FileRecord(std::string(recFileNameCStr));