diff --git a/plugins/samplemimo/testmosync/testmosync.cpp b/plugins/samplemimo/testmosync/testmosync.cpp
index ee60dbbfa..7bf1e044f 100644
--- a/plugins/samplemimo/testmosync/testmosync.cpp
+++ b/plugins/samplemimo/testmosync/testmosync.cpp
@@ -277,7 +277,7 @@ bool TestMOSync::applySettings(const TestMOSyncSettings& settings, bool force)
         if (m_sinkThread)
         {
             m_sinkThread->setLog2Interpolation(settings.m_log2Interp);
-            qDebug() << "BladeRF2Input::applySettings: set interpolation to " << (1<<settings.m_log2Interp);
+            qDebug() << "TestMOSync::applySettings: set interpolation to " << (1<<settings.m_log2Interp);
         }
 
         forwardChangeTxDSP = true;
@@ -285,10 +285,9 @@ bool TestMOSync::applySettings(const TestMOSyncSettings& settings, bool force)
 
     if (forwardChangeTxDSP)
     {
-        int sampleRate = settings.m_sampleRate/(1<<settings.m_log2Interp);
-        DSPMIMOSignalNotification *notif0 = new DSPMIMOSignalNotification(sampleRate, settings.m_centerFrequency, false, 0);
+        DSPMIMOSignalNotification *notif0 = new DSPMIMOSignalNotification(settings.m_sampleRate, settings.m_centerFrequency, false, 0);
         m_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif0);
-        DSPMIMOSignalNotification *notif1 = new DSPMIMOSignalNotification(sampleRate, settings.m_centerFrequency, false, 1);
+        DSPMIMOSignalNotification *notif1 = new DSPMIMOSignalNotification(settings.m_sampleRate, settings.m_centerFrequency, false, 1);
         m_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif1);
     }
 
diff --git a/plugins/samplemimo/testmosync/testmosyncgui.cpp b/plugins/samplemimo/testmosync/testmosyncgui.cpp
index 4c0054484..c8d87aa31 100644
--- a/plugins/samplemimo/testmosync/testmosyncgui.cpp
+++ b/plugins/samplemimo/testmosync/testmosyncgui.cpp
@@ -82,6 +82,7 @@ TestMOSyncGui::TestMOSyncGui(DeviceUISet *deviceUISet, QWidget* parent) :
 
 TestMOSyncGui::~TestMOSyncGui()
 {
+    delete m_spectrumVis;
 	delete ui;
 }
 
@@ -283,7 +284,6 @@ void TestMOSyncGui::on_interp_currentIndexChanged(int index)
 
     m_settings.m_log2Interp = index;
     ui->glSpectrum->setSampleRate(m_settings.m_sampleRate*(1<<m_settings.m_log2Interp));
-    updateSampleRateAndFrequency();
     sendSettings();
 }