diff --git a/src/completion/expandingtree/expandingtree.cpp b/src/completion/expandingtree/expandingtree.cpp
index b1ff3712..7e6a6ceb 100644
--- a/src/completion/expandingtree/expandingtree.cpp
+++ b/src/completion/expandingtree/expandingtree.cpp
@@ -1,65 +1,67 @@
 /*  This file is part of the KDE libraries and the Kate part.
  *
  *  Copyright (C) 2007 David Nolden <david.nolden.kdevelop@art-master.de>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *  Library General Public License for more details.
  *
  *  You should have received a copy of the GNU Library General Public License
  *  along with this library; see the file COPYING.LIB.  If not, write to
  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  *  Boston, MA 02110-1301, USA.
  */
 
 #include "expandingtree.h"
 
 #include <QTextLayout>
 #include <QTextDocument>
+#include <QHeaderView>
 #include <QAbstractTextDocumentLayout>
 #include <QPainter>
 #include "katepartdebug.h"
 #include "expandingwidgetmodel.h"
 
 ExpandingTree::ExpandingTree(QWidget *parent) : QTreeView(parent)
 {
     m_drawText.documentLayout()->setPaintDevice(this);
     setUniformRowHeights(false);
+    header()->setMinimumSectionSize(0);
 }
 
 void ExpandingTree::drawRow(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
     QTreeView::drawRow(painter, option, index);
 
     const ExpandingWidgetModel *eModel = qobject_cast<const ExpandingWidgetModel *>(model());
     if (eModel && eModel->isPartiallyExpanded(index)) {
         QRect rect = eModel->partialExpandRect(index);
         if (rect.isValid()) {
             painter->fillRect(rect, QBrush(0xffffffff));
 
             QAbstractTextDocumentLayout::PaintContext ctx;
             // since arbitrary HTML can be shown use a black on white color scheme here
             ctx.palette = QPalette(Qt::black, Qt::white);
             ctx.clip = QRectF(0, 0, rect.width(), rect.height());;
             painter->setViewTransformEnabled(true);
             painter->translate(rect.left(), rect.top());
 
             m_drawText.setHtml(eModel->partialExpandText(index));
             m_drawText.setPageSize(QSizeF(rect.width(), rect.height()));
             m_drawText.documentLayout()->draw(painter, ctx);
 
             painter->translate(-rect.left(), -rect.top());
         }
     }
 }
 
 int ExpandingTree::sizeHintForColumn(int column) const
 {
     return columnWidth(column);
 }