diff --git a/src/frontends/qt4/GuiApplication.C b/src/frontends/qt4/GuiApplication.C
index fb50274b57..9bf40d5d15 100644
--- a/src/frontends/qt4/GuiApplication.C
+++ b/src/frontends/qt4/GuiApplication.C
@@ -81,6 +81,13 @@ lyx::frontend::Application * createApplication(int & argc, char * argv[])
 
 namespace frontend {
 
+
+GuiApplication::~GuiApplication()
+{
+	socket_callbacks_.clear();
+}
+
+
 GuiApplication::GuiApplication(int & argc, char ** argv)
 	: QApplication(argc, argv), Application(argc, argv)
 {
diff --git a/src/frontends/qt4/GuiApplication.h b/src/frontends/qt4/GuiApplication.h
index 2212ec44fe..ec4996694c 100644
--- a/src/frontends/qt4/GuiApplication.h
+++ b/src/frontends/qt4/GuiApplication.h
@@ -52,7 +52,7 @@ class GuiApplication : public QApplication, public Application
 public:
 	GuiApplication(int & argc, char ** argv);
 	///
-	virtual ~GuiApplication() {}
+	virtual ~GuiApplication();
 
 	/// Method inherited from \c Application class
 	//@{