diff --git a/kcmkwin/kwintabbox/layoutconfig.ui b/kcmkwin/kwintabbox/layoutconfig.ui
index c563a24ec5..ba43deb96f 100644
--- a/kcmkwin/kwintabbox/layoutconfig.ui
+++ b/kcmkwin/kwintabbox/layoutconfig.ui
@@ -234,13 +234,68 @@
     </widget>
    </item>
    <item row="2" column="0" colspan="2">
-    <widget class="QWidget" name="previewWidget" native="true">
+    <widget class="QScrollArea" name="scrollArea">
      <property name="sizePolicy">
-      <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
        <horstretch>0</horstretch>
        <verstretch>0</verstretch>
       </sizepolicy>
      </property>
+     <property name="minimumSize">
+      <size>
+       <width>400</width>
+       <height>200</height>
+      </size>
+     </property>
+     <property name="frameShape">
+      <enum>QFrame::NoFrame</enum>
+     </property>
+     <property name="frameShadow">
+      <enum>QFrame::Plain</enum>
+     </property>
+     <property name="verticalScrollBarPolicy">
+      <enum>Qt::ScrollBarAlwaysOff</enum>
+     </property>
+     <property name="horizontalScrollBarPolicy">
+      <enum>Qt::ScrollBarAlwaysOff</enum>
+     </property>
+     <property name="widgetResizable">
+      <bool>true</bool>
+     </property>
+     <widget class="QWidget" name="scrollAreaWidgetContents">
+      <property name="geometry">
+       <rect>
+        <x>0</x>
+        <y>0</y>
+        <width>672</width>
+        <height>200</height>
+       </rect>
+      </property>
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <property name="minimumSize">
+       <size>
+        <width>400</width>
+        <height>200</height>
+       </size>
+      </property>
+      <layout class="QVBoxLayout" name="verticalLayout">
+       <item>
+        <widget class="QWidget" name="previewWidget" native="true">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
     </widget>
    </item>
   </layout>