diff --git a/Configuration.ui b/Configuration.ui
index b0900d452..6dcd57aae 100644
--- a/Configuration.ui
+++ b/Configuration.ui
@@ -6,13 +6,13 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>600</width>
+    <width>680</width>
     <height>615</height>
    </rect>
   </property>
   <property name="minimumSize">
    <size>
-    <width>600</width>
+    <width>680</width>
     <height>615</height>
    </size>
   </property>
@@ -22,6 +22,12 @@
   <layout class="QVBoxLayout" name="verticalLayout_2">
    <item>
     <widget class="QTabWidget" name="configuration_tabs">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
      <property name="minimumSize">
       <size>
        <width>80</width>
@@ -379,7 +385,7 @@ quiet period when decoding is done.</string>
             <item row="0" column="1">
              <widget class="QComboBox" name="CAT_port_combo_box">
               <property name="sizePolicy">
-               <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+               <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
                 <horstretch>1</horstretch>
                 <verstretch>0</verstretch>
                </sizepolicy>
@@ -402,6 +408,12 @@ quiet period when decoding is done.</string>
           </item>
           <item>
            <widget class="QGroupBox" name="CAT_serial_port_parameters_group_box">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Preferred" vsizetype="MinimumExpanding">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
             <property name="title">
              <string>Serial Port Parameters</string>
             </property>
@@ -423,6 +435,12 @@ quiet period when decoding is done.</string>
                </item>
                <item row="0" column="1">
                 <widget class="QComboBox" name="CAT_serial_baud_combo_box">
+                 <property name="sizePolicy">
+                  <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+                   <horstretch>0</horstretch>
+                   <verstretch>0</verstretch>
+                  </sizepolicy>
+                 </property>
                  <property name="toolTip">
                   <string>Serial port data rate which must match the setting of your radio.</string>
                  </property>
@@ -753,7 +771,7 @@ when hardware flow control is used.</string>
             <item row="0" column="1">
              <widget class="QComboBox" name="PTT_port_combo_box">
               <property name="sizePolicy">
-               <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+               <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
                 <horstretch>1</horstretch>
                 <verstretch>0</verstretch>
                </sizepolicy>
@@ -1052,6 +1070,19 @@ radio interface behave as expected.</string>
          </layout>
         </widget>
        </item>
+       <item row="12" column="0">
+        <spacer name="verticalSpacer_5">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>40</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
       </layout>
      </widget>
      <widget class="QWidget" name="audio_tab">