diff --git a/src/lib/app/mainapplication.cpp b/src/lib/app/mainapplication.cpp
index ac7be56d9..baf6ca0cc 100644
--- a/src/lib/app/mainapplication.cpp
+++ b/src/lib/app/mainapplication.cpp
@@ -757,7 +757,7 @@ void MainApplication::saveSettings()
     Settings::syncSettings();
 }
 
-void MainApplication::messageReceived(QString message)
+void MainApplication::messageReceived(const QString &message)
 {
     QWidget* actWin = getWindow();
     QUrl actUrl;
@@ -791,6 +791,10 @@ void MainApplication::messageReceived(QString message)
             return;
         }
     }
+    else {
+        // User attempted to start another instance, let's open a new window
+        actWin = createWindow(Qz::BW_NewWindow);
+    }
 
     if (!actWin) {
         if (!isClosing()) {
diff --git a/src/lib/app/mainapplication.h b/src/lib/app/mainapplication.h
index 6c8fdfbea..1580de1e7 100644
--- a/src/lib/app/mainapplication.h
+++ b/src/lib/app/mainapplication.h
@@ -126,7 +126,7 @@ private slots:
     void saveSession();
     void saveSettings();
 
-    void messageReceived(QString message);
+    void messageReceived(const QString &message);
     void windowDestroyed(QObject* window);
 
 private: