diff --git a/main.cpp b/main.cpp
index 96d49d0..905c820 100644
--- a/main.cpp
+++ b/main.cpp
@@ -26,6 +26,8 @@ int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
     a.setApplicationName("inspectrum");
+    a.setOrganizationName("inspectrum");
+
     MainWindow mainWin;
 
     QCommandLineParser parser;
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 73192a2..95760a4 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -54,6 +54,7 @@ MainWindow::MainWindow()
 
     // Set defaults after making connections so everything is in sync
     dock->setDefaults();
+
 }
 
 void MainWindow::openFile(QString fileName)
@@ -85,8 +86,13 @@ void MainWindow::openFile(QString fileName)
 
 void MainWindow::setSampleRate(QString rate)
 {
-    input->setSampleRate(rate.toInt());
-    plots->setSampleRate(rate.toInt());
+    int sampleRate = rate.toInt();
+    input->setSampleRate(sampleRate);
+    plots->setSampleRate(sampleRate);
+
+    // Save the sample rate in settings as we're likely to be opening the same file across multiple runs
+    QSettings settings;
+    settings.setValue("SampleRate", sampleRate);
 }
 
 void MainWindow::setSampleRate(int rate)
diff --git a/spectrogramcontrols.cpp b/spectrogramcontrols.cpp
index e696993..859eee7 100644
--- a/spectrogramcontrols.cpp
+++ b/spectrogramcontrols.cpp
@@ -21,6 +21,7 @@
 #include "spectrogramcontrols.h"
 #include <QIntValidator>
 #include <QFileDialog>
+#include <QSettings>
 #include <QLabel>
 #include <cmath>
 #include "util.h"
@@ -116,13 +117,17 @@ void SpectrogramControls::cursorsStateChanged(int state)
 
 void SpectrogramControls::setDefaults()
 {
-    sampleRate->setText("8000000");
     fftSizeSlider->setValue(9);
     zoomLevelSlider->setValue(0);
     powerMaxSlider->setValue(0);
     powerMinSlider->setValue(-100);
     cursorsCheckBox->setCheckState(Qt::Unchecked);
     cursorSymbolsSpinBox->setValue(1);
+
+    // Try to set the sample rate from the last-used value
+    QSettings settings;
+    int savedSampleRate = settings.value("SampleRate", 8000000).toInt();
+    sampleRate->setText(QString::number(savedSampleRate));
 }
 
 void SpectrogramControls::fftOrZoomChanged(int value)