diff --git a/src/connectionlogdialog.cpp b/src/connectionlogdialog.cpp
index d884d23..81a8707 100644
--- a/src/connectionlogdialog.cpp
+++ b/src/connectionlogdialog.cpp
@@ -26,7 +26,7 @@
 #include "util.h"
 
 ConnectionLogDialog::ConnectionLogDialog(QWidget *p) : NetMauMauDialog(p, Qt::Window),
-	m_entryFont("Monospace"), m_model(),
+	m_entryFont("Monospace"), m_model(this),
 	m_toIcon(QApplication::style()->standardIcon(QStyle::SP_ArrowRight)),
 	m_fromIcon(QApplication::style()->standardIcon(QStyle::SP_ArrowLeft)),
 	m_ctxPopup(new QMenu(this)) {
diff --git a/src/deleteserversdialog.cpp b/src/deleteserversdialog.cpp
index 60cc59a..51fa13b 100644
--- a/src/deleteserversdialog.cpp
+++ b/src/deleteserversdialog.cpp
@@ -25,7 +25,7 @@
 #include "serverinfo.h"
 
 DeleteServersDialog::DeleteServersDialog(const QStandardItemModel *model, QWidget *p) :
-	NetMauMauDialog(p), m_pModel(model), m_model(0, 1) {
+	NetMauMauDialog(p), m_pModel(model), m_model(0, 1, this) {
 
 	setupUi(this);
 
diff --git a/src/main.cpp b/src/main.cpp
index b5275e3..cf51e7c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -38,15 +38,15 @@ int main(int argc, char *argv[]) {
 	QCoreApplication::setApplicationName(PACKAGE_NAME);
 	QCoreApplication::setApplicationVersion(PACKAGE_VERSION);
 
+	NetMauMauApplication a(argc, argv);
+
 #ifdef _WIN32
 	QSettings::setDefaultFormat(QSettings::IniFormat);
 #else
-	QSharedMemory sharedMemory;
+	QSharedMemory sharedMemory(&a);
 	sharedMemory.setKey(QCoreApplication::applicationName() + qgetenv("USER"));
 #endif
 
-	NetMauMauApplication a(argc, argv);
-
 	QTranslator qtTranslator;
 #ifndef _WIN32
 	qtTranslator.load("qt_" + QLocale::system().name(),
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 820d97c..5720cbf 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -69,7 +69,7 @@ struct scoresPlayer : public std::binary_function<Client::SCORE, std::string, bo
 MainWindow::MainWindow(QSplashScreen *splash, QWidget *p) : QMainWindow(p), m_client(0L),
 	m_ui(new Ui::MainWindow),m_serverDlg(new ServerDialog(splash, this)),
 	m_lsov(new LocalServerOutputView()),
-	m_launchDlg(new LaunchServerDialog(m_lsov, m_serverDlg, this)), m_model(0, 5),
+	m_launchDlg(new LaunchServerDialog(m_lsov, m_serverDlg, this)), m_model(0, 5, this),
 	m_jackChooseDialog(new JackChooseDialog(this)), m_stdForeground(), m_stdBackground(),
 	m_connectionLogDlg(new ConnectionLogDialog(0L)), m_remotePlayersHeader(0L),
 	m_playerImageDelegate(new PlayerImageDelegate(this)),
diff --git a/src/scoresdialog.cpp b/src/scoresdialog.cpp
index d8468f8..8470988 100644
--- a/src/scoresdialog.cpp
+++ b/src/scoresdialog.cpp
@@ -24,7 +24,7 @@
 #include "client.h"
 
 ScoresDialog::ScoresDialog(ServerDialog *sd, QWidget *p) : NetMauMauDialog(p), m_serverdialog(sd),
-	m_model(0, 2), m_server(QString::null) {
+	m_model(0, 2, this), m_server(QString::null) {
 
 	setupUi(this);
 
diff --git a/src/serverdialog.cpp b/src/serverdialog.cpp
index e15fa57..5d6b459 100644
--- a/src/serverdialog.cpp
+++ b/src/serverdialog.cpp
@@ -39,8 +39,8 @@ const char *NA = QT_TRANSLATE_NOOP("ServerDialog", "n/a");
 const QRegExp nameRex("[^\\+]+.*");
 }
 
-ServerDialog::ServerDialog(QSplashScreen *splash, QWidget *p) : NetMauMauDialog(p), m_model(0, 4),
-	m_playerNameModel(), m_forceRefresh(false), m_lastServer(QString::null),
+ServerDialog::ServerDialog(QSplashScreen *splash, QWidget *p) : NetMauMauDialog(p),
+	m_model(0, 4, this), m_playerNameModel(), m_forceRefresh(false), m_lastServer(QString::null),
 	m_deleteServersDlg(new DeleteServersDialog(&m_model, this)),
 	m_nameRexValidator(new QRegExpValidator(nameRex)), m_playerImage(), m_autoRefresh(this),
 	m_mutex(), m_blockAutoRefresh(false), m_splash(splash), m_lastPlayerName(QString::null),