diff --git a/Gtk.hs b/Gtk.hs
index c4609fc..7c72262 100644
--- a/Gtk.hs
+++ b/Gtk.hs
@@ -25,7 +25,8 @@ data MyGUI = MkMyGUI {
   xu  :: Entry,
   yl  :: Entry,
   yu  :: Entry,
-  aD  :: AboutDialog
+  aD  :: AboutDialog,
+  cB  :: ComboBox
 }
 
 
@@ -51,8 +52,9 @@ makeMyGladeGUI = do
   yl'  <- xmlGetWidget xml castToEntry "ylD"
   yu'  <- xmlGetWidget xml castToEntry "yuD"
   aD'  <- xmlGetWidget xml castToAboutDialog "aboutdialog"
+  cB'  <- xmlGetWidget xml castToComboBox "comboalgo"
 
-  return $ MkMyGUI win' dB' sB' qB' fB' da' hs' xl' xu' yl' yu' aD'
+  return $ MkMyGUI win' dB' sB' qB' fB' da' hs' xl' xu' yl' yu' aD' cB'
 
 
 -- |Handle the whole GTK gui.
@@ -74,6 +76,7 @@ makeGUI startFile = do
     else do
       _ <- fileChooserSetFilename (fB mygui) startFile
       return ()
+  comboBoxSetActive (cB mygui) 0
 
   -- callbacks
   _ <- onDestroy  (win mygui) mainQuit
diff --git a/gtk2.glade b/gtk2.glade
index 9058b67..30a04d1 100644
--- a/gtk2.glade
+++ b/gtk2.glade
@@ -378,7 +378,7 @@ Malte Flender &lt;malte.flender@fh-bielefeld.de&gt;</property>
   </widget>
   <widget class="GtkWindow" id="window1">
     <property name="width_request">600</property>
-    <property name="height_request">700</property>
+    <property name="height_request">750</property>
     <property name="can_focus">False</property>
     <property name="type_hint">dialog</property>
     <child>
@@ -698,6 +698,18 @@ Malte Flender &lt;malte.flender@fh-bielefeld.de&gt;</property>
             <property name="position">3</property>
           </packing>
         </child>
+        <child>
+          <widget class="GtkComboBox" id="comboalgo">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="items" translatable="yes">Show points</property>
+          </widget>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">4</property>
+          </packing>
+        </child>
       </widget>
     </child>
   </widget>