diff --git a/scanpopup.cc b/scanpopup.cc
index be5f6441..ba0f614b 100644
--- a/scanpopup.cc
+++ b/scanpopup.cc
@@ -847,15 +847,29 @@ void ScanPopup::typingEvent( QString const & t )
 
 bool ScanPopup::eventFilter( QObject * watched, QEvent * event )
 {
-  if ( event->type() == QEvent::FocusIn && watched == ui.translateBox->translateLine() )
+  if ( watched == ui.translateBox->translateLine() )
   {
-    QFocusEvent * focusEvent = static_cast< QFocusEvent * >( event );
+    if ( event->type() == QEvent::FocusIn )
+    {
+      QFocusEvent * focusEvent = static_cast< QFocusEvent * >( event );
 
-    // select all on mouse click
-    if ( focusEvent->reason() == Qt::MouseFocusReason ) {
-      QTimer::singleShot(0, this, SLOT(focusTranslateLine()));
+      // select all on mouse click
+      if ( focusEvent->reason() == Qt::MouseFocusReason ) {
+        QTimer::singleShot(0, this, SLOT(focusTranslateLine()));
+      }
+      return false;
+    }
+
+    if ( event->type() == QEvent::Resize )
+    {
+      // The UI looks ugly when group combobox is higher than translate line.
+      // Make the height of the combobox the same as the line edit's height.
+      // The fonts of these UI items should be kept in sync by applyWordsZoomLevel()
+      // so that text in the combobox is not clipped.
+      const QResizeEvent * const resizeEvent = static_cast< const QResizeEvent * >( event );
+      ui.groupList->setFixedHeight( resizeEvent->size().height() );
+      return false;
     }
-    return false;
   }
 
   if ( mouseIntercepted )
diff --git a/scanpopup.ui b/scanpopup.ui
index 4d48b12a..a9dd1c58 100644
--- a/scanpopup.ui
+++ b/scanpopup.ui
@@ -83,7 +83,7 @@
            <item>
             <widget class="TranslateBox" name="translateBox">
              <property name="sizePolicy">
-              <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+              <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
                <horstretch>0</horstretch>
                <verstretch>0</verstretch>
               </sizepolicy>