diff --git a/rbutil/rbutilqt/installwindowfrm.ui b/rbutil/rbutilqt/installwindowfrm.ui
index 80bdc63c15..67ab40b991 100644
--- a/rbutil/rbutilqt/installwindowfrm.ui
+++ b/rbutil/rbutilqt/installwindowfrm.ui
@@ -72,6 +72,12 @@
    </item>
    <item row="2" column="1" colspan="3" >
     <widget class="QGroupBox" name="groupBox_2" >
+     <property name="sizePolicy" >
+      <sizepolicy hsizetype="Preferred" vsizetype="MinimumExpanding" >
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
      <property name="title" >
       <string>Details</string>
      </property>
@@ -146,7 +152,7 @@
      <property name="sizeHint" stdset="0" >
       <size>
        <width>20</width>
-       <height>40</height>
+       <height>1</height>
       </size>
      </property>
     </spacer>