diff --git a/gui/scratchpad.ui b/gui/scratchpad.ui
index 2341c99c0..154db74b4 100644
--- a/gui/scratchpad.ui
+++ b/gui/scratchpad.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>500</width>
+    <width>574</width>
     <height>600</height>
    </rect>
   </property>
@@ -22,7 +22,7 @@
     </widget>
    </item>
    <item>
-    <widget class="QPlainTextEdit" name="plainTextEdit">
+    <widget class="CodeEditor" name="plainTextEdit">
      <property name="font">
       <font>
        <family>Courier New</family>
@@ -99,6 +99,13 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>CodeEditor</class>
+   <extends>QPlainTextEdit</extends>
+   <header>codeeditor.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections>
   <connection>