1 files changed, 1 insertions, 0 deletions
diff --git a/gtk-gui.c b/gtk-gui.c
index 8e21f3133..0a4ee48e9 100644
--- a/gtk-gui.c
+++ b/gtk-gui.c
@@ -705,6 +705,7 @@ static void preferences_dialog(GtkWidget *w, gpointer data)
 		/* Flush the changes out to the system */
 		subsurface_flush_conf();
 	}
+	free((void *)current_default);
 	gtk_widget_destroy(dialog);
 }