diff --git a/src/qtgui/rclm_wins.cpp b/src/qtgui/rclm_wins.cpp
index fb23796f..e13950c1 100644
--- a/src/qtgui/rclm_wins.cpp
+++ b/src/qtgui/rclm_wins.cpp
@@ -74,6 +74,14 @@ void RclMain::showSpellDialog()
     }
 }
 
+void RclMain::showIndexStatistics()
+{
+    showSpellDialog();
+    if (spellform == 0)
+        return;
+    spellform->setMode(SpellW::TYPECMB_STATS);
+}
+
 void RclMain::showFragButs()
 {
     if (fragbuts && fragbuts->isStale(0)) {
diff --git a/src/qtgui/rclmain.ui b/src/qtgui/rclmain.ui
index 3b4142d3..2dbb00ed 100644
--- a/src/qtgui/rclmain.ui
+++ b/src/qtgui/rclmain.ui
@@ -84,6 +84,7 @@
     <addaction name="separator"/>
     <addaction name="showMissingHelpers_Action"/>
     <addaction name="showActiveTypes_Action"/>
+    <addaction name="actionShow_index_statistics"/>
     <addaction name="separator"/>
     <addaction name="toggleFullScreenAction"/>
     <addaction name="separator"/>
@@ -374,6 +375,9 @@
    </property>
   </action>
   <action name="enbSynAction">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
    <property name="text">
     <string>Enable synonyms</string>
    </property>
@@ -383,9 +387,6 @@
    <property name="name" stdset="0">
     <cstring>enbSynAction</cstring>
    </property>
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
   </action>
   <action name="toggleFullScreenAction">
    <property name="text">
@@ -521,6 +522,11 @@
     <string>Indexing with special options</string>
    </property>
   </action>
+  <action name="actionShow_index_statistics">
+   <property name="text">
+    <string>Show index statistics</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="2" margin="2"/>
  <customwidgets>
diff --git a/src/qtgui/rclmain_w.cpp b/src/qtgui/rclmain_w.cpp
index e038f719..78514680 100644
--- a/src/qtgui/rclmain_w.cpp
+++ b/src/qtgui/rclmain_w.cpp
@@ -334,7 +334,8 @@ void RclMain::init()
 	    this, SLOT(saveLastQuery()));
     connect(actionLoad_saved_query, SIGNAL(triggered()),
 	    this, SLOT(loadSavedQuery()));
-
+    connect(actionShow_index_statistics, SIGNAL(triggered()),
+            this, SLOT(showIndexStatistics()));
     connect(helpAbout_RecollAction, SIGNAL(triggered()), 
 	    this, SLOT(showAboutDialog()));
     connect(showMissingHelpers_Action, SIGNAL(triggered()), 
diff --git a/src/qtgui/rclmain_w.h b/src/qtgui/rclmain_w.h
index 1fd2e85c..432e241a 100644
--- a/src/qtgui/rclmain_w.h
+++ b/src/qtgui/rclmain_w.h
@@ -122,6 +122,7 @@ public slots:
     virtual void previewClosed(Preview *w);
     virtual void showAdvSearchDialog();
     virtual void showSpellDialog();
+    virtual void showIndexStatistics();
     virtual void showFragButs();
     virtual void showSpecIdx();
     virtual void showAboutDialog();
diff --git a/src/qtgui/spell_w.cpp b/src/qtgui/spell_w.cpp
index 731076ee..10b7a961 100644
--- a/src/qtgui/spell_w.cpp
+++ b/src/qtgui/spell_w.cpp
@@ -22,9 +22,6 @@
 #include <list>
 #include <map>
 #include <string>
-using std::list;
-using std::multimap;
-using std::string;
 
 #include <qmessagebox.h>
 #include <qpushbutton.h>
@@ -53,6 +50,10 @@ using std::string;
 #include "rclaspell.h"
 #endif
 
+using std::list;
+using std::multimap;
+using std::string;
+
 void SpellW::init()
 {
     m_c2t.clear();
@@ -73,15 +74,6 @@ void SpellW::init()
     expTypeCMB->addItem(tr("Show index statistics"));
     m_c2t.push_back(TYPECMB_STATS);
 
-    int typ = prefs.termMatchType;
-    vector<comboboxchoice>::const_iterator it = 
-	std::find(m_c2t.begin(), m_c2t.end(), typ);
-    if (it == m_c2t.end())
-	it = m_c2t.begin();
-    int cmbidx = it - m_c2t.begin();
-
-    expTypeCMB->setCurrentIndex(cmbidx);
-
     // Stemming language combobox
     stemLangCMB->clear();
     vector<string> langs;
@@ -105,7 +97,7 @@ void SpellW::init()
     connect(baseWordLE, SIGNAL(returnPressed()), this, SLOT(doExpand()));
     connect(expandPB, SIGNAL(clicked()), this, SLOT(doExpand()));
     connect(dismissPB, SIGNAL(clicked()), this, SLOT(close()));
-    connect(expTypeCMB, SIGNAL(activated(int)), this, SLOT(modeSet(int)));
+    connect(expTypeCMB, SIGNAL(activated(int)), this, SLOT(onModeChanged(int)));
 
     resTW->setShowGrid(0);
 #if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
@@ -122,11 +114,18 @@ void SpellW::init()
     resTW->setColumnWidth(1, 150);
     resTW->installEventFilter(this);
 
-    if (o_index_stripchars) {
-	caseSensCB->setEnabled(false);
-	caseSensCB->setEnabled(false);
-    }
-    modeSet(cmbidx);
+    int idx = cmbIdx((comboboxchoice)prefs.termMatchType);
+    expTypeCMB->setCurrentIndex(idx);
+    onModeChanged(idx);
+}
+
+int SpellW::cmbIdx(comboboxchoice mode)
+{
+    vector<comboboxchoice>::const_iterator it = 
+	std::find(m_c2t.begin(), m_c2t.end(), mode);
+    if (it == m_c2t.end())
+	it = m_c2t.begin();
+    return it - m_c2t.begin();
 }
 
 static const int maxexpand = 10000;
@@ -306,6 +305,8 @@ void SpellW::showStats()
     if (!theconfig)
 	return;
 
+    baseWordLE->setText(QString::fromLocal8Bit(theconfig->getDbDir().c_str()));
+
     ExecCmd cmd;
     vector<string> args; 
     int status;
@@ -313,9 +314,9 @@ void SpellW::showStats()
     args.push_back(theconfig->getDbDir());
     string output;
     status = cmd.doexec("du", args, 0, &output);
-    int dbkbytes = 0;
+    long long dbkbytes = 0;
     if (!status) {
-	dbkbytes = atoi(output.c_str());
+	dbkbytes = atoll(output.c_str());
     }
     resTW->setRowCount(row+1);
     resTW->setItem(row, 0,
@@ -372,12 +373,34 @@ void SpellW::textDoubleClicked(int row, int)
         emit(wordSelect(item->text()));
 }
 
-void SpellW::modeSet(int idx)
+void SpellW::onModeChanged(int idx)
 {
     if (idx < 0 || idx > int(m_c2t.size()))
 	return;
-    comboboxchoice mode = m_c2t[idx]; 
+    comboboxchoice mode = m_c2t[idx];
+    setModeCommon(mode);
+}
+
+void SpellW::setMode(comboboxchoice mode)
+{
+    expTypeCMB->setCurrentIndex(cmbIdx(mode));
+    setModeCommon(mode);
+}
+
+void SpellW::setModeCommon(comboboxchoice mode)
+{
+    if (m_prevmode == TYPECMB_STATS) {
+        baseWordLE->setText("");
+    }
+    m_prevmode = mode;
     resTW->setRowCount(0);
+    if (o_index_stripchars) {
+	caseSensCB->setEnabled(false);
+	diacSensCB->setEnabled(false);
+    } else {
+	caseSensCB->setEnabled(true);
+	diacSensCB->setEnabled(true);
+    }
    
     if (mode == TYPECMB_STEM) {
 	stemLangCMB->setEnabled(true);
@@ -387,8 +410,6 @@ void SpellW::modeSet(int idx)
 	caseSensCB->setEnabled(false);
     } else {
 	stemLangCMB->setEnabled(false);
-	diacSensCB->setEnabled(true);
-	caseSensCB->setEnabled(true);
     }
     if (mode == TYPECMB_STATS)
 	baseWordLE->setEnabled(false);
@@ -400,6 +421,8 @@ void SpellW::modeSet(int idx)
 	QStringList labels(tr("Item"));
 	labels.push_back(tr("Value"));
 	resTW->setHorizontalHeaderLabels(labels);
+	diacSensCB->setEnabled(false);
+	caseSensCB->setEnabled(false);
 	doExpand();
     } else {
 	QStringList labels(tr("Term"));
diff --git a/src/qtgui/spell_w.h b/src/qtgui/spell_w.h
index faa99419..d1cfd6a3 100644
--- a/src/qtgui/spell_w.h
+++ b/src/qtgui/spell_w.h
@@ -25,34 +25,41 @@
 #include "ui_spell.h"
 class SpellW : public QWidget, public Ui::SpellBase
 {
-    Q_OBJECT
+    Q_OBJECT;
 public:
     SpellW(QWidget* parent = 0) 
-	: QWidget(parent) 
-    {
+	: QWidget(parent), m_prevmode(TYPECMB_NONE) {
 	setupUi(this);
 	init();
     }
 	
     virtual bool eventFilter(QObject *target, QEvent *event );
+
+    enum comboboxchoice {TYPECMB_NONE, TYPECMB_WILD, TYPECMB_REG, TYPECMB_STEM, 
+			 TYPECMB_ASPELL, TYPECMB_STATS};
 public slots:
     virtual void doExpand();
     virtual void wordChanged(const QString&);
     virtual void textDoubleClicked();
     virtual void textDoubleClicked(int, int);
-    virtual void modeSet(int);
+    virtual void setMode(comboboxchoice);
 
+private slots:
+    virtual void onModeChanged(int);
+    
 signals:
     void wordSelect(QString);
 
 private:
-    enum comboboxchoice {TYPECMB_WILD, TYPECMB_REG, TYPECMB_STEM, 
-			 TYPECMB_ASPELL, TYPECMB_STATS};
     // combobox index to expansion type
-    std::vector<comboboxchoice> m_c2t; 
+    std::vector<comboboxchoice> m_c2t;
+    comboboxchoice m_prevmode;
+
     void init();
     void copy();
     void showStats();
+    int cmbIdx(comboboxchoice mode);
+    void setModeCommon(comboboxchoice mode);
 };
 
 #endif /* _ASPELL_W_H_INCLUDED_ */