diff --git a/src/gui/src/MainWindowBase.ui b/src/gui/src/MainWindowBase.ui
index b3fb0a75..7069b8b2 100644
--- a/src/gui/src/MainWindowBase.ui
+++ b/src/gui/src/MainWindowBase.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>600</width>
-    <height>500</height>
+    <height>550</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -132,7 +132,7 @@
     <item>
      <widget class="QGroupBox" name="m_pGroupServer">
       <property name="sizePolicy">
-       <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+       <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
         <horstretch>0</horstretch>
         <verstretch>0</verstretch>
        </sizepolicy>
@@ -270,7 +270,7 @@
     <item>
      <widget class="QGroupBox" name="m_pGroupClient">
       <property name="sizePolicy">
-       <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+       <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
         <horstretch>0</horstretch>
         <verstretch>0</verstretch>
        </sizepolicy>
@@ -325,7 +325,7 @@
        <item row="3" column="1">
         <widget class="QComboBox" name="m_pComboServerList">
          <property name="sizePolicy">
-          <sizepolicy hsizetype="Maximum" vsizetype="Fixed">
+          <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>