diff --git a/src/gui/messagesview.cpp b/src/gui/messagesview.cpp
index 593eeb02e..0e8183a9a 100755
--- a/src/gui/messagesview.cpp
+++ b/src/gui/messagesview.cpp
@@ -519,7 +519,7 @@ void MessagesView::openSelectedMessagesWithExternalTool() {
 
       if (!link.isEmpty()) {
         if (!QProcess::startDetached(tool.executable(), QStringList() << tool.parameters() << link)) {
-          qApp->showGuiMessage(tr("Cannot run external tool"), tr("External tool '%1' could not be started."),
+          qApp->showGuiMessage(tr("Cannot run external tool"), tr("External tool '%1' could not be started.").arg(tool.executable()),
                                QSystemTrayIcon::Critical);
         }
       }
diff --git a/src/gui/settings/settingsbrowsermail.cpp b/src/gui/settings/settingsbrowsermail.cpp
index a756738cd..5a352f2b4 100755
--- a/src/gui/settings/settingsbrowsermail.cpp
+++ b/src/gui/settings/settingsbrowsermail.cpp
@@ -141,7 +141,7 @@ QList<ExternalTool> SettingsBrowserMail::externalTools() const {
 void SettingsBrowserMail::setExternalTools(const QList<ExternalTool>& list) {
   foreach (const ExternalTool& tool, list) {
     QTreeWidgetItem* item = new QTreeWidgetItem(m_ui->m_listTools,
-                                                QStringList() << tool.executable() << tool.parameters());
+                                                QStringList() << tool.executable() << tool.parameters().join(QL1C(' ')));
     item->setData(0, Qt::UserRole, QVariant::fromValue(tool));
 
     m_ui->m_listTools->addTopLevelItem(item);