diff --git a/src/lib/downloads/downloadmanager.cpp b/src/lib/downloads/downloadmanager.cpp
index 5d589bc33..2d621e1b3 100644
--- a/src/lib/downloads/downloadmanager.cpp
+++ b/src/lib/downloads/downloadmanager.cpp
@@ -108,7 +108,7 @@ void DownloadManager::startExternalManager(const QUrl &url)
     bool success = QProcess::startDetached(m_externalExecutable, arguments);
 
     if (!success) {
-        QString info = "<ul><li><b>" + tr("Executable: ") + "</b>" + m_externalExecutable + "</li><li><b>" + tr("Arguments: ") + "</b>" + arguments.join(' ') + "</li></ul>";
+        QString info = "<ul><li><b>" + tr("Executable: ") + "</b>" + m_externalExecutable + "</li><li><b>" + tr("Arguments: ") + "</b>" + arguments.join(" ") + "</li></ul>";
         QMessageBox::critical(this, tr("Cannot start external download manager"), tr("Cannot start external download manager! %1").arg(info));
     }
 }
diff --git a/src/lib/network/qupzillaschemehandler.cpp b/src/lib/network/qupzillaschemehandler.cpp
index 31f8ba5a3..72b3cf2ff 100644
--- a/src/lib/network/qupzillaschemehandler.cpp
+++ b/src/lib/network/qupzillaschemehandler.cpp
@@ -414,7 +414,7 @@ QString QupZillaSchemeReply::configPage()
             }
 
             case QVariant::StringList:
-                keyString = keyValue.toStringList().join(',');
+                keyString = keyValue.toStringList().join(",");
                 break;
 
             default:
diff --git a/src/lib/preferences/preferences.cpp b/src/lib/preferences/preferences.cpp
index 9599645d6..97c490fc2 100644
--- a/src/lib/preferences/preferences.cpp
+++ b/src/lib/preferences/preferences.cpp
@@ -398,7 +398,7 @@ Preferences::Preferences(QupZilla* mainClass, QWidget* parent)
     ui->httpsProxyUsername->setText(settings.value("HttpsUsername", "").toString());
     ui->httpsProxyPassword->setText(settings.value("HttpsPassword", "").toString());
 
-    ui->proxyExceptions->setText(settings.value("ProxyExceptions", QStringList() << "localhost" << "127.0.0.1").toStringList().join(','));
+    ui->proxyExceptions->setText(settings.value("ProxyExceptions", QStringList() << "localhost" << "127.0.0.1").toStringList().join(","));
     settings.endGroup();
 
     useDifferentProxyForHttpsChanged(ui->useHttpsProxy->isChecked());
diff --git a/src/lib/rss/rssnotification.cpp b/src/lib/rss/rssnotification.cpp
index 0a5aabb70..66d9a2347 100644
--- a/src/lib/rss/rssnotification.cpp
+++ b/src/lib/rss/rssnotification.cpp
@@ -33,7 +33,7 @@
 bool startExternalProcess(const QString &program, const QStringList &arguments)
 {
     if (!QProcess::startDetached(program, arguments)) {
-        QString info = "<ul><li><b>" + RSSNotification::tr("Executable: ") + "</b>" + program + "</li><li><b>" + RSSNotification::tr("Arguments: ") + "</b>" + arguments.join(' ') + "</li></ul>";
+        QString info = "<ul><li><b>" + RSSNotification::tr("Executable: ") + "</b>" + program + "</li><li><b>" + RSSNotification::tr("Arguments: ") + "</b>" + arguments.join(" ") + "</li></ul>";
         QMessageBox::critical(0, RSSNotification::tr("Cannot start external program"), RSSNotification::tr("Cannot start external program! %1").arg(info));
 
         return false;