diff --git a/clientgui/gtk/taskbarex.cpp b/clientgui/gtk/taskbarex.cpp
index 51d6d0b843..d4cb2bc6b0 100644
--- a/clientgui/gtk/taskbarex.cpp
+++ b/clientgui/gtk/taskbarex.cpp
@@ -248,7 +248,7 @@ bool wxTaskBarIconEx::SetBalloon(const wxIcon& icon, const wxString title, const
             "default",
             "Do Default Action",
             NOTIFY_ACTION_CALLBACK(statis_icon_notification_actions),
-            NULL,
+            this,
             NULL
         );
     }