diff --git a/desktop-widgets/preferences/preferencesdialog.cpp b/desktop-widgets/preferences/preferencesdialog.cpp
index 0af7a78bd..9041668f8 100644
--- a/desktop-widgets/preferences/preferencesdialog.cpp
+++ b/desktop-widgets/preferences/preferencesdialog.cpp
@@ -18,7 +18,7 @@
 
 PreferencesDialog* PreferencesDialog::instance()
 {
-	PreferencesDialog *self = new PreferencesDialog();
+	static PreferencesDialog *self = new PreferencesDialog();
 	return self;
 }