diff --git a/src/main.cpp b/src/main.cpp
index 3803e4ce2..79950e74c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -197,6 +197,8 @@ int main(int argc, char *argv[]) {
       qDebug("Passing program parameters to running instance...");
       qDebug("Message: %s", qPrintable(message));
       app.sendMessage(message);
+    } else { // Raise main window
+      app.sendMessage("qbt://show");
     }
     return 0;
   }
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 43a5383c0..842c8e52a 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -960,6 +960,16 @@ void MainWindow::processParams(const QStringList& params) {
     if (misc::isUrl(param)) {
       QBtSession::instance()->downloadFromUrl(param);
     }else{
+      if(param.startsWith("qbt://show")) {
+        if(ui_locked) {
+          if(!unlockUI())
+            return;
+        }
+        show();
+        activateWindow();
+        raise();
+        return; // Do not process more params
+      }
       if (param.startsWith("bc://bt/", Qt::CaseInsensitive)) {
         qDebug("Converting bc link to magnet link");
         param = misc::bcLinkToMagnet(param);