diff --git a/src/qt/bitcoinamountfield.cpp b/src/qt/bitcoinamountfield.cpp
index ddf185c4..4fa2ca50 100644
--- a/src/qt/bitcoinamountfield.cpp
+++ b/src/qt/bitcoinamountfield.cpp
@@ -145,6 +145,11 @@ void BitcoinAmountField::unitChanged(int idx)
     amount->setDecimals(BitcoinUnits::decimals(currentUnit));
     amount->setMaximum(qPow(10, BitcoinUnits::amountDigits(currentUnit)) - qPow(10, -amount->decimals()));
 
+    if(currentUnit == BitcoinUnits::uBTC)
+        amount->setSingleStep(0.01);
+    else
+        amount->setSingleStep(0.001);
+
     if(valid)
     {
         // If value was valid, re-place it in the widget with the new unit
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 0d951718..b9cd7f51 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -54,6 +54,8 @@
 #include <QUrl>
 #include <QMimeData>
 #include <QStyle>
+#include <QSettings>
+#include <QDesktopWidget>
 
 #include <iostream>
 
@@ -69,7 +71,7 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     rpcConsole(0),
     prevBlocks(0)
 {
-    resize(850, 550);
+    restoreWindowGeometry();
     setWindowTitle(tr("Bitcoin") + " - " + tr("Wallet"));
 #ifndef Q_OS_MAC
     qApp->setWindowIcon(QIcon(":icons/bitcoin"));
@@ -187,6 +189,7 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
 
 BitcoinGUI::~BitcoinGUI()
 {
+    saveWindowGeometry();
     if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
         trayIcon->hide();
 #ifdef Q_OS_MAC
@@ -468,6 +471,28 @@ void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 }
 #endif
 
+void BitcoinGUI::saveWindowGeometry()
+{
+    QSettings settings;
+    settings.setValue("nWindowPos", pos());
+    settings.setValue("nWindowSize", size());
+}
+
+void BitcoinGUI::restoreWindowGeometry()
+{
+    QSettings settings;
+    QPoint pos = settings.value("nWindowPos").toPoint();
+    QSize size = settings.value("nWindowSize", QSize(850, 550)).toSize();
+    if (!pos.x() && !pos.y())
+    {
+        QRect screen = qApp->desktop()->screenGeometry();
+        pos.setX((screen.width()-size.width())/2);
+        pos.setY((screen.height()-size.height())/2);
+    }
+    resize(size);
+    move(pos);
+}
+
 void BitcoinGUI::optionsClicked()
 {
     if(!clientModel || !clientModel->getOptionsModel())
diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h
index 1b3e313f..af8dc0a1 100644
--- a/src/qt/bitcoingui.h
+++ b/src/qt/bitcoingui.h
@@ -108,6 +108,10 @@ private:
     void createTrayIcon();
     /** Create system tray menu (or setup the dock menu) */
     void createTrayIconMenu();
+    /** Save window size and position */
+    void saveWindowGeometry();
+    /** Restore window size and position */
+    void restoreWindowGeometry();
 
 public slots:
     /** Set number of connections shown in the UI */