diff --git a/fscomm/preferences/prefdialog.ui b/fscomm/preferences/prefdialog.ui
index 9c5c046c12..31ea51787f 100644
--- a/fscomm/preferences/prefdialog.ui
+++ b/fscomm/preferences/prefdialog.ui
@@ -791,6 +791,12 @@
       <layout class="QVBoxLayout" name="verticalLayout">
        <item>
         <widget class="QGroupBox" name="groupBox_3">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <property name="title">
           <string>Devices</string>
          </property>
@@ -865,53 +871,63 @@
             </item>
            </layout>
           </item>
-          <item row="4" column="1">
-           <widget class="QPushButton" name="PaRefreshDevListBtn">
-            <property name="text">
-             <string>Refresh DevList</string>
-            </property>
-           </widget>
+          <item row="3" column="1">
+           <layout class="QHBoxLayout" name="horizontalLayout_6">
+            <item>
+             <widget class="QPushButton" name="PaLoopTestBtn">
+              <property name="text">
+               <string>Loop Test</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QPushButton" name="PaRefreshDevListBtn">
+              <property name="text">
+               <string>Refresh DevList</string>
+              </property>
+             </widget>
+            </item>
+           </layout>
           </item>
           <item row="4" column="0">
-           <widget class="QPushButton" name="PaLoopTestBtn">
-            <property name="text">
-             <string>Loop Test</string>
-            </property>
-           </widget>
-          </item>
-          <item row="5" column="1">
-           <widget class="QLineEdit" name="PaSampleRateEdit">
-            <property name="text">
-             <string>16000</string>
-            </property>
-           </widget>
-          </item>
-          <item row="6" column="1">
-           <widget class="QLineEdit" name="PaCodecMSEdit">
-            <property name="text">
-             <string>10</string>
-            </property>
-           </widget>
-          </item>
-          <item row="5" column="0">
            <widget class="QLabel" name="label_40">
             <property name="text">
              <string>Sample Rate</string>
             </property>
            </widget>
           </item>
-          <item row="6" column="0">
+          <item row="4" column="1">
+           <widget class="QLineEdit" name="PaSampleRateEdit">
+            <property name="text">
+             <string>16000</string>
+            </property>
+           </widget>
+          </item>
+          <item row="5" column="0">
            <widget class="QLabel" name="label_41">
             <property name="text">
              <string>Codec MS</string>
             </property>
            </widget>
           </item>
+          <item row="5" column="1">
+           <widget class="QLineEdit" name="PaCodecMSEdit">
+            <property name="text">
+             <string>10</string>
+            </property>
+           </widget>
+          </item>
          </layout>
         </widget>
        </item>
        <item>
         <widget class="QGroupBox" name="groupBox_4">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <property name="title">
           <string>Files</string>
          </property>