diff --git a/model/positioner.cpp b/model/positioner.cpp
index 490369d..441bcd9 100644
--- a/model/positioner.cpp
+++ b/model/positioner.cpp
@@ -348,6 +348,9 @@ int Positioner::columnCount(const QModelIndex &parent) const
 
 void Positioner::reset()
 {
+    if (m_positions.isEmpty())
+        return;
+
     beginResetModel();
 
     initMaps();