diff --git a/src/upnp/protocol/pupnp/pupnp.h b/src/upnp/protocol/pupnp/pupnp.h
index 32fe19a..ae02d45 100644
--- a/src/upnp/protocol/pupnp/pupnp.h
+++ b/src/upnp/protocol/pupnp/pupnp.h
@@ -134,6 +134,9 @@
     // Start search for UPNP devices
     void searchForDevices();
 
+    // Start search for UPNP device in a different thread
+    void searchForDeviceAsync(const std::string& deviceType);
+
     // Return true if it has at least one valid IGD.
     bool hasValidIgd() const;