diff --git a/qt/details.cc b/qt/details.cc
index a16ea425c..6df6f9011 100644
--- a/qt/details.cc
+++ b/qt/details.cc
@@ -145,8 +145,9 @@ Details :: Details( Session& session, Prefs& prefs, TorrentModel& model, QWidget
     layout->addWidget( t );
 
     QDialogButtonBox * buttons = new QDialogButtonBox( QDialogButtonBox::Close, Qt::Horizontal, this );
-    connect( buttons, SIGNAL(rejected()), this, SLOT(deleteLater()));
+    connect( buttons, SIGNAL(rejected()), this, SLOT(close()));
     layout->addWidget( buttons );
+    QWidget::setAttribute( Qt::WA_DeleteOnClose, true );
 
     connect( &myTimer, SIGNAL(timeout()), this, SLOT(onTimer()));
 
@@ -835,9 +836,7 @@ Details :: refresh( )
     myPeers = peers2;
 
     if( single )
-    {
         myFileTreeView->update( torrents[0]->files( ) , myChangedTorrents );
-    }
     else
         myFileTreeView->clear( );
 
diff --git a/qt/prefs-dialog.cc b/qt/prefs-dialog.cc
index e4ba3659c..88a2b3974 100644
--- a/qt/prefs-dialog.cc
+++ b/qt/prefs-dialog.cc
@@ -620,8 +620,9 @@ PrefsDialog :: PrefsDialog( Session& session, Prefs& prefs, QWidget * parent ):
     myLayout->addWidget( t );
 
     QDialogButtonBox * buttons = new QDialogButtonBox( QDialogButtonBox::Close, Qt::Horizontal, this );
-    connect( buttons, SIGNAL(rejected()), this, SLOT(deleteLater()) ); // "close" triggers rejected
+    connect( buttons, SIGNAL(rejected()), this, SLOT(close()) ); // "close" triggers rejected
     myLayout->addWidget( buttons );
+    QWidget::setAttribute( Qt::WA_DeleteOnClose, true );
 
     connect( &mySession, SIGNAL(sessionUpdated()), this, SLOT(sessionUpdated()));