diff --git a/debian/changelog b/debian/changelog
index 10e5d99..1e01b73 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,8 @@ lubuntu-default-settings (0.4) UNRELEASED; urgency=low
 
   * Remove spacer before the menu applet on the panel.
   * Use openbox menu on the desktop indead of pcmanfm one.
+  * Install configuration file for QT apps if no one is installed, and set
+    QT style=GTK+.
 
  -- Julien Lavergne <gilir@ubuntu.com>  Sun, 13 Dec 2009 17:45:38 +0100
 
diff --git a/usr/bin/startlubuntu b/usr/bin/startlubuntu
index fa6226d..98cae6c 100644
--- a/usr/bin/startlubuntu
+++ b/usr/bin/startlubuntu
@@ -36,6 +36,11 @@ if [ ! -f "$OPENBOX_CONF_DIR/lubuntu-rc.xml" ]; then
     cp /usr/share/lubuntu/openbox/rc.xml "$OPENBOX_CONF_DIR/lubuntu-rc.xml"
 fi
 
+# Install custom QT configuration if no one is already installed
+if [ ! -f "$XDG_CONFIG_HOME/Trolltech.conf" ]; then
+    cp /usr/share/lubuntu/qt/Trolltech.conf "$XDG_CONFIG_HOME/Trolltech.conf"
+fi
+
 # Clean up after GDM (GDM sets the number of desktops to one)
 xprop -root -remove _NET_NUMBER_OF_DESKTOPS -remove _NET_DESKTOP_NAMES -remove _NET_CURRENT_DESKTOP 2> /dev/null
 
diff --git a/usr/share/lubuntu/qt/Trolltech.conf b/usr/share/lubuntu/qt/Trolltech.conf
new file mode 100644
index 0000000..e148896
--- /dev/null
+++ b/usr/share/lubuntu/qt/Trolltech.conf
@@ -0,0 +1,2 @@
+[Qt]
+style=GTK+