diff --git a/lib/model.cpp b/lib/model.cpp
index 8381b268..cd4abeae 100644
--- a/lib/model.cpp
+++ b/lib/model.cpp
@@ -11,18 +11,14 @@
 
 QueueModel::QueueModel(Queue *q)
 	      : Glib::ObjectBase( typeid(QueueModel) ),
-		Glib::Object(), queue(q)
+		Glib::Object(), stamp(1), queue(q)
 {
-	do {
-		stamp = rand();
-	} while (stamp == 0);
 }
 
 void QueueModel::increment_stamp()
 {
-	do {
-		stamp++;
-	} while (stamp == 0);
+	if (++stamp == 0)
+		++stamp;
 }
 
 bool QueueModel::check_iter_validity(const Gtk::TreeIter &iter) const